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Objective:We aimed to investigate the relationship between Peyronie’s disease (PD) and the visceral adiposity index (VAI), which is thought to predict visceral obesity homogeneously.Materials and Methods:We included 102 healthy volunteers (Group 1) and 89 patients with PD (Group 2) in this retrospective study. We recorded demographic, anthropometric, and clinical data, including age, comorbidity, International Index of Erectile Function (IIEF) score, waist circumference (WC), body mass index (BMI), visceral adiposity index testosterone (VAI), serum fasting glucose, high-density lipoprotein (HDL), and triglyceride (TG). For Group 2 participants, plaque size, duration of symptoms, and degree of penile curvature were recorded.Results:The mean ages of Group 1 and Group 2 were 55.12±9.51 years and 54.79±9.99 years, respectively (p>0.05). The mean BMI, WC, VAI, fasting glucose, and TG values were significantly higher in Group 2 (p0.05). The mean IIEF score was lower in Group 2 than in Group 1 (p=0.008). An increase of 1 unit in the VAI value increases the probability of having PD 1.2 times (p=0.001). Each VAI integer increase decreased 1.25 points in the IIEF score, a 1 mm increase in plaque size, and a 1.98-degree increase in curvature.Conclusion:Our study has shown that VAI can be used as a reliable, independent risk factor for plaque size and penile curvature in patients with patients with PD.

Zhenzhen Sun,1,&ast; Kun Wang,1,&ast; Chuan Yun,1 Fang Bai,1 Xiaodan Yuan,2 Yaujiunn Lee,3 Qingqing Lou1 1The First Affiliated Hospital of Hainan Medical University, Hainan Clinical Research Center for Metabolic Disease, Haikou, Hainan, People’s Republic of China; 2Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, People’s Republic of China; 3Department of Endocrinology, Lee’s Clinic, Pingtung City, Pingtung County, Taiwan&ast;These authors contributed equally to this workCorrespondence: Qingqing Lou, The First Affiliated Hospital of Hainan Medical University, Hainan Clinical Research Center for Metabolic Disease, No. 31, Longhua Road, Haikou, 570102, Hainan, People’s Republic of China, Tel +86 15312019129, Email 2444890144@qq.comPurpose: To investigate the association of five obesity indices and the variability of these indices with diabetic kidney disease (DKD) in patients with type 2 diabetes and compare the predictive validity of these markers for the risk of DKD in this large longitudinal cohort study.Patients and Methods: A total of 2659 patients with type 2 diabetes who did not have DKD were enrolled between 2006 and 2019 at Lee’s United Clinic in Taiwan. Data were collected for each subject, including demographic data, personal medical history, clinical parameters and calculated Body mass index (BMI), visceral adiposity index (VAI), lipid accumulation product (LAP), body roundness index (BRI) and variability of five obesity indices. Cox regression analysis was performed to determine the relationship between different obesity indicators and DKD risk. Cox’s proportional hazards model was evaluated the predictive effect of obesity indices on DKD.Results: The risk of developing DKD increased with an increase in the BRI, LAP, VAI, WC and BMI (all P trend< 0.05), and the variability of VAI was significantly associated with DKD [HR=1.132, 95% CI (1.001, 1.281)] after adjusting for corresponding variables. BRI had the strongest predictive effect on DKD. BRI had the best predictive performance, with AUC of 0.807, 0.663 and 0.673 at 1, 3 and 5 years, respectively. Cox regression analysis of risk factors for DKD in patients stratified by BRI quartiles showed that patients in the Q4 group had the highest risk of developing DKD [HR=1.356, 95% CI (1.131, 1.626)].Conclusion: BMI, WC, VAI, LAP, BRI and VAI variability were associated with a significant increase in the risk of DKD events, and BRI was superior and alternative obesity index for predicting DKD.Keywords: visceral adiposity index, lipid accumulation product, body roundness index, diabetic kidney disease

The visceral adiposity index (VAI) and handgrip strength (HGS) are identified as important objectives for the prevention of illness. Nevertheless, there is limited understanding regarding the impact of the VAI and HGS on cardiometabolic multimorbidity (CMM). We aimed to ascertain the impact of the VAI and HGS on CMM among middle-aged and older people. Data spanning from 2011 to 2020 were derived from the China Health and Retirement Longitudinal Study (CHARLS). In total, 7909 individuals aged 45 years and older were included. Cox proportional hazard regression was utilized to examine the correlation among the VAI, HGS, and CMM. Throughout the 10-year follow-up, we determined that both the VAI (HR = 1.330; 95%CI = 1.179–1.500) and HGS (HR = 0.745, 95%CI = 0.645–0.861) exhibited significant associations with CMM risk. Individuals exposed to both a high VAI and low HGS were found to have higher hazards of CMM (HR = 1.377, 95%CI = 1.120–1.694) in contrast to participants exposed to one or none of these conditions. The older (HR = 1.414; 95%CI = 1.053–1.899) and male (HR = 1.586; 95%CI = 1.114–2.256) groups are more likely to experience CMM risk. Our findings suggest that both the VAI and HGS have significant effects on CMM risk. Appropriate interventions focused on vulnerable groups are recommended to prevent the incidence of CMM.

Abstract Objective It was aimed to compare visceral adiposity index (VAI) levels in patients with normal bone mineral density (BMD), osteopenia, and osteoporosis. Methods One hundred twenty postmenopausal women (40 with normal BMD, 40 with osteopenia, and 40 with osteoporosis) between the ages of 50 to 70 years were included in the study. For females, the VAI was calculated using the formula (waist circumference [WC]/[36.58 + (1.89 x body mass index (BMI))]) x (1.52/High-density lipoprotein [HDL]-cholesterol [mmol/L]) x (triglyceride [TG]/0.81 [mmol/L]). Results The time of menopause from the beginning was similar in all groups. Waist circumference was found to be higher in those with normal BMD than in the osteopenic and osteoporotic groups (p = 0.018 and p < 0.001, respectively), and it was also higher in the osteopenic group than in the osteoporotic group (p = 0.003). Height and body weight, BMI, blood pressure, insulin, glucose, HDL-cholesterol, and homeostasis model assessment-insulin resistance (HOMA-IR) levels were similar in all groups. Triglyceride levels were found to be higher in the normal BMD group, compared with the osteoporotic group (p = 0.005). The level of VAI was detected as higher in those with normal BMD, compared with the women with osteoporosis (p = 0.002). Additionally, the correlation analysis showed a positive correlation between dual-energy X-ray absorptiometry (DXA) spine T-scores, WC, VAI, and a negative correlation between DXA spine T-scores and age. Conclusion In our study, we found higher VAI levels in those with normal BMD, compared with women with osteoporosis. We consider that further studies with a larger sample size will be beneficial in elucidating the entity.

Abstract Background One of the most prevalent sleep disorders affecting the individual’s daily life is obstructive sleep apnea (OSA), for which obesity is a major risk factor. Several novel lipid indices have been suggested to have associations with OSA, among which visceral adiposity index (VAI), atherogenic index of plasma (AIP), and lipid accumulation product (LAP) are the most important ones. Herein, the current study aimed to systematically investigate the association between these indices and OSA. Methods Four international databases, including PubMed, Scopus, the Web of Science, and Embase were searched in order to find relevant studies that investigated LAP, VAI, or AIP in OSA and compared them with non-OSA cases or within different severities of OSA. Random-effect meta-analysis was used to generate the standardized mean difference (SMD) and 95% confidence interval (CI) of the difference in lipid indices between OSA and non-OSA cases. Moreover, the pooled area under the receiver operating characteristic curves (AUCs) observed in individual studies for diagnosis of OSA based on these lipid indices were calculated by random-effect meta-analysis. Results Totally 14 original studies were included, comprised of 14,943 cases. AIP, LAP, and VAI were assessed in eight, five, and five studies, respectively. Overall, these lipid indices had acceptable diagnostic ability (AUC 0.70, 95% CI 0.67 to 073). Meta-analysis revealed that AIP was significantly higher in patients with OSA (SMD 0.71, 95% CI 0.45 to 0.97, P

Background: In Sub-Saharan African countries, data examining postmenopausal women's cardiometabolic risk (CMR) remains limited. Our study aimed to assess the visceral adiposity index (VAI) and lipid accumulation product (LAP), atherogenic index of plasma (AIP), and physical activity levels of postmenopausal women and determine their CMR. Methods: A cross-sectional study included 224 postmenopausal women aged ≥47 years recruited from Khartoum State, Sudan. Weight, height, waist and hip circumferences were measured. Physical activity levels were determined using the Global Physical Activity Questionnaire version 2. Fasting blood samples (5 mL) were collected to determine the lipid profile. The VAI and LAP were calculated as indicators for visceral adiposity, whereas AIP was calculated as an indicator of CVD risk. Results: The postmenopausal women's mean age was 62.4 ± 10.2 years. Women (29.2%; 54/185) were physically inactive, with most inactive women being >64 years and having ≥5 CVD risk factors compared with the active and very active women with 3–4 CVD risk factors. Women had high total cholesterol (24.6%), triglycerides (26.6%), low-density lipoprotein cholesterol (14.3%), and low high-density lipoprotein cholesterol (61.2%) levels. Moreover, women (33.5%) had a high CVD risk. In multiple regression analyses, AIP increased significantly with VAI and BMI. The ROC analysis revealed that the highest and statistically significant AUC was recorded for VAI followed by LAP among postmenopausal women, suggesting their diagnostic significance for CVD risk. Conclusion: VAI and LAP were closely associated with an increased risk of CVD in postmenopausal Sudanese women and were considered the best diagnostic performance.

Background: Visceral adiposity index (VAI) and lipid accumulation product (LAP) are comprehensive indicators to evaluate visceral fat and determine the metabolic health of individuals. Carotenoids are a group of naturally occurring antioxidants associated with several diseases. The purpose of this investigation was to explore the association between serum carotenoid concentration and VAI or LAP. Methods: The data were obtained from the National Health and Nutrition Examination Survey between 2001 and 2006. The levels of serum carotenoids were evaluated using high-performance liquid chromatography. Multivariate linear regression models were employed to investigate the relationship between levels of serum carotenoids and VAI or LAP. The potential non-linear relationship was determined using threshold effect analysis and fitted smoothing curves. Stratification analysis was performed to investigate the potential modifying factors. Results: In total, 5,084 participants were included in this population-based investigation. In the multivariate linear regressions, compared to the lowest quartiles of serum carotenoids, the highest quartiles were significantly associated with VAI, and the effect size (β) and 95% CI was − 0.98 (− 1.34, − 0.62) for α-carotene, − 1.39 (− 1.77, − 1.00) for β-carotene, − 0.79 (− 1.18, − 0.41) for β-cryptoxanthin, − 0.68 (− 0.96, − 0.39) for lutein/zeaxanthin, and − 0.88 (− 1.50, − 0.27) for trans-lycopene. Using piece-wise linear regression models, non-linear relationships were found between β-carotene and trans-lycopene and VAI with an inflection point of 2.44 (log2-transformed, ug/dL) and 3.80 (log2-transformed, ug/dL), respectively. The results indicated that α-carotene, β-cryptoxanthin, and lutein/zeaxanthin were linearly associated with VAI. An inverse association was also found between serum carotenoids and LAP after complete adjustments. Conclusion: This study revealed that several serum carotenoids were associated with VAI or LAP among the general American population. Further large prospective investigations are warranted to support this finding. [ABSTRACT FROM AUTHOR]

Background: The visceral adiposity index (VAI) is a marker of abdominal fat distribution and adipose tissue function. However, the association between VAI and femur bone mineral density (BMD) and osteoporosis is unclear among the U.S. older adults. Methods: Cross-sectional data for adults aged 60 years and older from the 2007--2020 National Health and Nutrition Examination Survey (NHANES) were included. Multivariable linear and logistic regression were used to evaluate the association between VAI and femur BMD and osteoporosis. We used the smooth curve fitting to address nonlinearity. Moreover, a two-piecewise linear regression model was used to explain the nonlinearity further. Results: The findings of the multivariable logistic regression models showed that as the VAI value increased by one unit, the prevalence of osteoporosis decreased by 1.2% after adjusting for covariates associated with osteoporosis. The multivariable linear regression models demonstrated that VAI was positively correlated with femur BMD. Further analysis revealed an inverted L-shaped and inverted U-shaped relationship between VAI and femur BMD at different sites. Conclusions: Our findings indicated that an increased VAI is independently linked to a higher prevalence of osteoporosis among the U.S. older adults. Further analysis reveals that once VAI reaches a certain threshold, femur BMD no longer increases and may even decrease. This suggests that a moderate accumulation of visceral fat may be beneficial for bone health, while excessive visceral fat could potentially have detrimental effects. [ABSTRACT FROM AUTHOR]

Object: Cognitive decline and obesity are major global public health issues, and their association has been widely acknowledged. The link between the visceral adiposity index (VAI) and cognitive function in the Chinese population remains uncertain. This study aims to investigate the effects of VAI levels on cognitive function in the Chinese middle-aged and elderly population. Methods: We analyzed longitudinal data from the China Health and Retirement Longitudinal Study (CHARLS) collected in 2011, 2013, 2015, and 2018. VAI levels were divided into three tertiles. Generalized estimating equation (GEE) models were used to explore the relationships between VAI levels and cognitive function, including overall cognitive scores, episodic memory, and mental status. Adjustments were made for potential confounders. Results: The study consisted of 2,677 participants. Contrary to expectations, higher VAI levels were associated with higher overall cognitive scores and improved episodic memory scores, while no significant effect was observed on mental status. The GEE models consistently indicated that higher VAI levels were associated with higher overall cognitive scores, primarily due to their association with episodic memory. Stratified analyses revealed that the VAI was associated with better cognitive function primarily in males, individuals under 60 years old, those with lower education levels, rural residents, and married individuals, mainly in relation to episodic memory. No significant interactions were observed between VAI and demographic factors. Conclusion: Our findings suggest that higher visceral adiposity is associated with slower cognitive decline in the Chinese middle-aged and elderly population, especially in its association with episodic memory. These results underline the need to further investigate the potential protective role of visceral fat in cognitive function, potentially offering new insights for interventions to enhance cognitive function and prevent dementia in this population. [ABSTRACT FROM AUTHOR]

Background: Previous animal studies have suggested that air pollution (AP) exposure may be a potential risk factor for obesity; however, there is limited epidemiological evidence available to describe the association of obesity with AP exposure. Methods: A retrospective cross-sectional study was conducted on 11,766 participants across mainland China in 2015. Obesity was assessed using body mass index (BMI), waist circumference (WC), and visceral adiposity index (VAI). The space-time extremely randomized tree (STET) model was used to estimate the concentration of air pollutants, including SO2, NO2, O3, PM1, PM2.5, and PM10, matched to participants' residential addresses. Logistic regression models were employed to estimate the associations of obesity with outdoor AP exposure. Fur ther strat ified analysis was conducted to evaluate whether sociodemographics or lifestyles modified the effects. Results: Increased AP exposure was statistically associated with increased odds of obesity. The odds ratio (ORs) and 95% confidence interval (CI) of BMI-defined obesity were 1.21 (1.17, 1.26) for SO2, 1.33 (1.26, 1.40) for NO2, 1.15 (1.10, 1.21) for O3, 1.38 (1.29, 1.48) for PM1, 1.19 (1.15, 1.22) for PM2.5, and 1.11 (1.09, 1.13) for PM10 per 10 mg/m³ increase in concentration. Similar results were found for central obesity. Stratified analyses suggested that elderly participants experienced more adverse effects from all 6 air pollutants than middle-aged participants. Furthermore, notable multiplicative interactions were found between O3 exposure and females as well as second-hand smokers in BMI-defined obesity. Conclusions: This study suggested that outdoor AP exposure had a significant association with the risk of obesity in the middle-aged and elderly Chinese population. Elderly individuals and women may be more vulnerable to AP exposure. [ABSTRACT FROM AUTHOR]

Objective: The goal of this research was to determine whether or not there is a saturation effect and whether or not the visceral adiposity index (VAI) correlates with bone mineral density (BMD) in adult Americans. Methods: This study used multivariate logistic regression models to examine the association between VAI and total femur BMD, drawing on the most up-to-date data from the National Health and Nutrition Examination Survey (NHANES) between 2007 and 2018. Saturation levels and non-linear connections were calculated using a smooth curve-fitting algorithm and an investigation of saturation effects. Subgroup analyses and interaction tests were also conducted. Results: This study ultimately recruited 6257 individuals aged 20 years or older. According to multivariate regression analysis, those with high VAI scores exhibited higher total femur BMD. Total femur BMD was greater in the highest VAI quartile (Q4: 0.060 g/cm2) after adjustment than in the lowest VAI quartile (Q1) (P < 0.05). After controlling for variables, subgroup analysis failed to reveal any significant interaction effects. Furthermore, the study determined that VAI and BMD exhibited a specific saturation effect through the investigation of the saturation effect and the fitting of smooth curves. Saturation effect investigation of total femur BMD using VAI revealed a saturation value of 3.3. Conclusion: The present study uncovered a non-linear relationship between VAI and total femur BMD, which exhibited a saturation effect. [ABSTRACT FROM AUTHOR]

Background: Data are limited on the relationship between cardiovascular disease (CVD) and the combinational indices of lipid accumulation product (LAP), triglyceride-glucose index (TyG), and visceral adiposity index (VAI). The association of these novel indices with the 5- and 10-year incidence of CVD was assessed. Method: A total of 1888 and 1450 healthy adults aged between 15 and 75 years (out of the 5895 participants of the KERCADR study, 2012) were followed for five and ten years, respectively. Baseline LAP, TyG, and VAI were calculated and logistic regression models were used to assess their relationship with the incidence of CVD in the two follow-up periods. Also, the predictive performance of these three indices was analyzed using the area under ROC curve (AUC) for the development of CVD compared with traditional single indices. Results: In the 5- and 10-year follow-ups, 399 and 476 CVD cases (21.1% and 32.8%) were documented, respectively. For the 5-year CVD risk, the adjusted odds ratio (AOR, 95% CI) was LAP (2.24 [1.44, 3.50]), VAI (1.58 [1.08, 2.33]), and TyG (1.57 [1.02, 2.42]). For the 10-year CVD risk, the AOR was LAP (1.61 [1.04, 2.49]), TyG (1.57 [1.02, 2.41]), and VAI (1.41 [0.96, 2.09]). In both periods and sexes, LAP had the best performance with the highest AUCs (0.644 and 0.651) compared to the other two indices and compared to the traditional single indices (e.g., BMI, LDL, etc.). Conclusion: Overall LAP, TyG, and VAI were better CVD risk predictors compared to the traditional single risk factors, with LAP showing the strongest predictive power for the incidence of CVD. [ABSTRACT FROM AUTHOR]

Background and aims: Obesity is an independent risk factor for cardiovascular disease development. Here, we aimed to examine and compare the predictive values of three novel obesity indices, lipid accumulation product (LAP), visceral adiposity index (VAI), and triglyceride-glucose (TyG) index, for cardiovascular subclinical organ damage. Methods: A total of 1,773 healthy individuals from the Hanzhong Adolescent Hypertension Study cohort were enrolled. Anthropometric, biochemical, urinary albumin-to-creatinine ratio (uACR), brachial-ankle pulse wave velocity (baPWV), and Cornell voltage-duration product data were collected. Furthermore, the potential risk factors for subclinical organ damage were investigated, with particular emphasis on examining the predictive value of the LAP, VAI, and TyG index for detecting subclinical organ damage. Results: LAP, VAI, and TyG index exhibited a significant positive association with baPWV and uACR. However, only LAP and VAI were found to have a positive correlation with Cornell product. While the three indices did not show an association with electrocardiographic left ventricular hypertrophy, higher values of LAP and TyG index were significantly associated with an increased risk of arterial stiffness and albuminuria. Furthermore, after dividing the population into quartiles, the fourth quartiles of LAP and TyG index showed a significant association with arterial stiffness and albuminuria when compared with the first quartiles, in both unadjusted and fully adjusted models. Additionally, the concordance index (C-index) values for LAP, VAI, and TyG index were reasonably high for arterial stiffness (0.856, 0.856, and 0.857, respectively) and albuminuria (0.739, 0.737, and 0.746, respectively). Lastly, the analyses of continuous net reclassification improvement (NRI) and integrated discrimination improvement (IDI) demonstrated that the TyG index exhibited significantly higher predictive values for arterial stiffness and albuminuria compared with LAP and VAI. Conclusion: LAP, VAI, and, especially, TyG index demonstrated utility in screening cardiovascular subclinical organ damage among Chinese adults in this community-based sample. These indices have the potential to function as markers for early detection of cardiovascular disease in otherwise healthy individuals. [ABSTRACT FROM AUTHOR]

Polycystic ovary syndrome (PCOS) is one of the most frequent endocrine illnesses, often accompanied by visceral adiposity and metabolic syndrome (MetS). Visceral adiposity is an accurate predictor of MetS and cardiometabolic risk. This study aims to evaluate different anthropometric indices that can be used in PCOS and MetS risk assessment. A total of 66 women with PCOS (50%) and 66 controls (50%) were included, and clinical and biochemical parameters were evaluated. The body mass index (BMI), body shape index (ABSI), body roundness index (BRI), dysfunctional adiposity index (DAI), lipid accumulation (LAP) index, and visceral adiposity index (VAI) were calculated. The means of all indices were higher in the PCOS group (p < 0.05). The marker with the lowest discriminatory ability for PCOS and MetS was ABSI (AUC = 0.762 and AUC = 0.714, respectively, p = 0.000). According to the multivariate logistic regression model, the VAI and WC are strong predictors of PCOS (AUC, 98%; accuracy, 92%; sensitivity, 92%; and specificity, 91%), and WC, LAP index, and BRI are strong predictors of MetS (AUC, 0.95%; accuracy, 86%; sensitivity, 83%; and specificity, 88%). The use of different anthropometric indices in the detection of PCOS and MetS may allow for early diagnosis and treatment, and are simple and cost-effective. [ABSTRACT FROM AUTHOR]

OBJECTIVE: Obesity has been identified as a contributing factor that exacerbates the severity of COVID-19 and is associated with an increased risk of mortality among hospitalized patients. Assessing visceral adipose tissue cannot be solely determined by obesity and body mass index (BMI) alone. In our study, we investigated the relationship between the visceral adiposity index (VAI) and the clinical severity of COVID-19. PATIENTS AND METHODS: A total of 315 adult patients hospitalized with COVID-19 were included in the study. The cohort consisted of 146 male patients, and the median age was 60 (48-74) years. Comparative analyses were conducted to evaluate gender-based differences in VAI levels and the impact of VAI on the extent of radiological lung involvement. RESULTS: The median VAI level was significantly higher in women compared to men (6.1 vs. 4.0, p<0.001). Furthermore, patients with radiologically severe lung involvement demonstrated a higher median VAI level compared to those with mild involvement (5.7 vs. 4.2, p=0.003). This difference was particularly notable among male patients, where the median VAI level was significantly higher. Logistic regression analysis revealed that each integer increase in the median VAI value was associated with a 1.1-fold (1.01-1.14) increase in the severity of radiological lung involvement (p=0.011). CONCLUSIONS: Our study highlights a significant correlation between VAI and the clinical severity of COVID-19, particularly among male patients. The findings suggest that VAI, as an indicator of visceral adiposity, holds potential as a valuable tool for assessing COVID-19 severity and identifying high-risk individuals, particularly males. [ABSTRACT FROM AUTHOR]

Background: Polycystic ovary syndrome (PCOS) is an endocrinopathic disorder commonly affecting women in the reproductive age group, predisposing them to risk of metabolic syndrome. Currently, body mass index (BMI) is used as a marker to assess obesity. However, it is the central obesity which is a prevalent characteristic of PCOS which goes undetected in many women who exhibit an apparently lean PCOS. Recently, indices, such as body fat percentage (BFP), visceral adiposity index (VAI) and lipid accumulation product (LAP), have been deemed more effective, as they present formulas, anthropometric indices and biochemical measures. The aim of this study was to compare the other central fat accumulation indices—VAI, LAP and BFP with BMI in women with PCOS. Methods: The descriptive type of cross-sectional study was conducted in a tertiary care hospital which included 110 women, aged 18–40 year fulfilling the Rotterdam criteria for diagnosis of polycystic ovary syndrome. Height, weight and lipid profile were measured, and BMI, LAP and VAI were calculated. Body fat percentage was measured by the body fat analyser using the bioelectrical impedance method. All indices were then compared. Results: BMI showed a significant positive correlation with BFP (r = 0.68). VAI and LAP showed significant correlation with each other (p < 0.05). LAP and VAI were found to weakly correlate with BFP. However, lean PCOS also had higher values of visceral adiposity indices and hence did not show strong correlation. Conclusion: Central fat accumulation indices should be integral in assessing body fat distribution. BFP, VAI and LAP assess fat distribution and function both and, hence, present complete information at low cost. [ABSTRACT FROM AUTHOR]

Objective: We aimed to investigate the relationship between Peyronie's disease (PD) and the visceral adiposity index (VAI), which is thought to predict visceral obesity homogeneously. Materials and Methods: We included 102 healthy volunteers (Group 1) and 89 patients with PD (Group 2) in this retrospective study. We recorded demographic, anthropometric, and clinical data, including age, comorbidity, International Index of Erectile Function (IIEF) score, waist circumference (WC), body mass index (BMI), visceral adiposity index testosterone (VAI), serum fasting glucose, high-density lipoprotein (HDL), and triglyceride (TG). For Group 2 participants, plaque size, duration of symptoms, and degree of penile curvature were recorded. Results: The mean ages of Group 1 and Group 2 were 55.12±9.51 years and 54.79±9.99 years, respectively (p>0.05). The mean BMI, WC, VAI, fasting glucose, and TG values were significantly higher in Group 2 (p<0.001, p=0.004, p=0.001, p=0.001, and p=0.003, respectively). The mean HDL values between the groups were similar (p>0.05). The mean IIEF score was lower in Group 2 than in Group 1 (p=0.008). An increase of 1 unit in the VAI value increases the probability of having PD 1.2 times (p=0.001). Each VAI integer increase decreased 1.25 points in the IIEF score, a 1 mm increase in plaque size, and a 1.98-degree increase in curvature. Conclusion: Our study has shown that VAI can be used as a reliable, independent risk factor for plaque size and penile curvature in patients with patients with PD. [ABSTRACT FROM AUTHOR]

Objective: The current study aims to explore the correlation between Chinese visceral adiposity index (CVAI)and cognitive impairment (CI), and further to analyze the correlation between CVAI and CI under different age levels, providing evidence for accurately evaluating the relationship between CVAI and CI, and seeking for new factors available for intervention associated with CI. Methods: The CHARLS database was used in the current study. The baseline data of 2011 and 2015 were collected, including gender, age, education level, alcohol consumption, smoking history, body mass index, and biochemical indicators. Logistic regression analysis was used to analyze the correlation of CVAI and CI, according to difterent age stratification. Results: ①A total of 12 102 subjects were included in the curreut study, 1 295 (10.7%)subjects had CI. ② There was a correlation between CVAI and CI in people aged 65 and above (P < 0.05), but no significant correlation between CVAI and CI in people aged below 65 (P > 0.05)；③The best cut⁃ off value of CVAI for CI was 161.94. According to the cut⁃off value, all subjects was divided into high CVAI group (CVAI≥161.94)and low CVAI group (CVAI<161.94). ④ Age was positively correlated with CI (OR=2.24, 95% CI: 1.66-3.03), education level was negatively correlated with CI (OR=0.71, 95%CI: 0.53-0.94), and high CVAI was correlated with CI in people aged 65 and above (OR= 1.91, 95%CI: 1.24-2.93). Conclusion: CVAI, age and education were correlated with CI. High CVAI is a risk factor for CI in people 65 years and older. [ABSTRACT FROM AUTHOR]

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Abstract Background This study aimed to compare the cardio-metabolic, anthropometric, and liver function indices among metabolic obesity phenotypes. Methods In this cross-sectional study, which was carried out in Hoveyzeh, Khuzestan Province, Iran, a total of 7,464 individuals (male: 2859, female: 4605), were recruited and classified into four groups, based on Body Mass Index (obese, BMI ≥ 30 kg/m2; non-obese, BMI = 18.5–29.9 kg/m2) and the National Cholesterol Education Program and Adult Treatment Panel (NCEP ATP) III criteria (Healthy group, ≤ 1 of the criteria; Unhealthy group, ≥ 2 of the criteria), as follows: Metabolically Healthy Non-Obese (MHNO, 28.14%), Metabolically Unhealthy Non-Obese (MUNO, 33.06%), Metabolically Healthy Obese (MHO, 6.54%), and Metabolically Unhealthy Obese (MUO, 32.26%). Anthropometric indices (Waist/Hip Ratio (WHR), Waist/Height Ratio (WHtR), Body Adiposity Index (BAI), Visceral Adiposity Index (VAI), and Weight adjusted Waist Index (WWI)), cardio-metabolic indices (Atherogenic Index of Plasma (AIP), Lipid Accumulation Product (LAP), Cardio-Metabolic Index (CMI), Lipoprotein Combine Index (LCI), Triglyceride-Glucose (TyG), TyG-BMI, TyG-WC, and Thrombolysis In Myocardial Infarction (TIMI) risk index), and hepatic indices (Hepatic Steatosis Index (HSI) and ALD/NAFLD index (ANI)) were calculated and compared between the groups. Results WHR,VAI, AIP, LAP, CMI, LCI, TyG, and TIMI risk index values were significantly higher in the MUNO phenotype compared to the MHO phenotype (WHR: 0.97 vs. 0.95; VAI: 3.16 vs. 1.33; AIP: 0.58 vs. 0.25; LAP: 78.87 vs. 55.79; CMI: 2.69 vs. 1.25; LCI: 27.91 vs. 12.11; TyG: 9.21 vs. 8.41; TIMI: 18.66 vs. 15.63; p

Abstract Background The purpose of the study was to compare the efficacy of two novel obesity indices, lipid accumulation product (LAP) and visceral adiposity index (VAI), with traditional obesity indices in predicting early-onset type 2 diabetes (T2DM). Methods In this cross-sectional study, a total of 744 participants, including 605 patients newly diagnosed with T2DM and 139 non-diabetic control subjects, were enrolled from a tertiary care hospital in Tianjin, China. Participants with T2DM were divided into two groups based on their age at diagnosis, namely early-onset T2DM (age less than 40 years, n = 154) and late-onset T2DM (age 40 years or older, n = 451). The predictive power of each obesity index was evaluated using receiver operating characteristic (ROC) curve analysis. Furthermore, binary logistic regression analysis was conducted to examine the independent relationship between LAP and VAI with early-onset T2DM risk. The relationship between novel obesity indices and the age of T2DM onset was also evaluated through correlation and multiple linear regression analysis. Results In males, LAP had the highest predictive power for early-onset T2DM with an area under the ROC curve (AUC) of 0.742 (95% CI 0.684–0.799, P

Abstract Background and objective The visceral adiposity index (VAI), as a composite indictor to evaluate visceral adipose function, has been demonstrated to be correlated with atherosclerosis. The study objective was to explore the association between asymptomatic intracranial arterial stenosis (aICAS) and VAI in Chinese rural dwellers. Methods The cross-sectional study consisted of 1942 participants ≥ 40 years old who were living in Pingyin County, Shandong Province and free from history of clinical stroke and transient ischemic attack. The aICAS in the study was diagnosed by transcranial doppler ultrasound combined with magnetic resonance angiography. The multivariate logistic regression models were deployed to explore the correlation of VAI with aICAS, and receiver operating characteristic (ROC) curve were plotted to compare the performance of models. Results The participants with aICAS comparing to those without had a significantly higher VAI. After adjusting for confounding factors including age, hypertension, DM, sex, drinking habit, LDL-C, hsCRP, and smoking habit, the VAI-Tertile 3 (vs. VAI-Tertile 1) was positively associated with aICAS (OR, 2.15; 95% CI, 1.25–3.65; P = 0.005). The VAI-Tertile 3 was still markedly associated with aICAS among the underweight and normal weight (BMI ≤ 23.9 kg/m2) participants (OR, 3.17; 95% CI, 1.15–8.71; P = 0.026) with an AUC = 0.684. A similar relationship between VAI and aICAS was obtained among the participants with no abdominal obesity (WHR

Abstract Purpose Diabetes is the leading cause of kidney disease. Up to 40% of the population with diabetes experience diabetic kidney disease (DKD). The correlation of DKD with insulin resistance (IR) indices has been shown in previous studies. In this study, the objective was to evaluate surrogate IR indices, including the Triglyceride-Glucose (TyG) index, Visceral Adiposity Index (VAI), Lipid Accumulation Product (LAP), and Homeostasis Model Assessment of Insulin Resistance (HOMA-IR) to find the most valuable index for the correlation between albuminuria and IR in the type 2 diabetes (T2D) population. Albuminuria is defined as urine albumin excretion of > 30 mg/day. Methods In this cross-sectional study, 2934 participants were enrolled and evaluated for urinary albumin excretion, and albuminuria was detected in 526 of the entries. The logistic regression models and Receiver Operating Characteristic (ROC) curve analysis were performed to assess the relationship of TyG index, VAI, LAP, and HOMA-IR's with albuminuria in patients with T2D. Results The TyG index had the highest association (OR 1.67) with the presence of albuminuria in patients with T2D, followed by HOMA-IR (OR 1.127), VAI (OR 1.028), and LAP (OR 1.004). These four indices remained independent after adjustment for multiple confounders. Based on the ROC curve, TyG revealed the best area under the curve (AUC) for revealing albuminuria with sufficient accuracy (AUC: 0.62) in comparison with other measured indices. The calculated TyG index cut-off point for the presence of albuminuria was 9.39. Conclusion Among the indices, TyG index had the most significant correlation with albuminuria in patients with T2D.

Abstract Background Visceral adiposity index (VAI) and a body shape index (ABSI) were newly developed indices for visceral fat mass. Whether they are superior to conventional obesity indices in predicting colorectal cancer (CRC) remains unclear. We examined the associations of VAI and ABSI with CRC risk, and investigated their performance in discriminating CRC risk compared with conventional obesity indices in the Guangzhou Biobank Cohort Study. Methods A total of 28,359 participants aged 50 + years without cancer history at baseline (2003-8) were included. CRC were identified from the Guangzhou Cancer Registry. Cox proportional hazards regression was used to assess the association of obesity indices with the CRC risk. Discriminative abilities of obesity indices were assessed using Harrell’s C-statistic. Results During an average follow-up of 13.9 (standard deviation = 3.6) years, 630 incident CRC cases were recorded. After adjusting for potential confounders, the hazard ratio (95% confidence interval) of incident CRC for per standard deviation increment in VAI, ABSI, body mass index (BMI), waist circumference (WC), waist-to-hip ratio (WHR) and waist-to-height ratio (WHtR) was 1.04 (0.96, 1.12), 1.13 (1.04, 1.22), 1.08 (1.00, 1.17), 1.15 (1.06, 1.24), 1.16 (1.08, 1.25)and 1.13 (1.04, 1.22), respectively. Similar results for colon cancer were found. However, the associations of obesity indices with risk of rectal cancer were non-significant. All obesity indices showed similar discriminative abilities (C-statistics from 0.640 to 0.645), with WHR showing the highest whilst VAI and BMI the lowest. Conclusions ABSI, but not VAI, was positively associated with a higher risk of CRC. However, ABSI was not superior to the conventional abdominal obesity indices in predicting CRC.

Visceral adiposity index (VAI) is a new metric for evaluating visceral adiposity dysfunction. The aim of the present study was to explore the association between VAI and incident chronic kidney disease (CKD) in the American elderly population. We included 6085 participants aged 60 years or older with available data on renal function and VAI from the National Health and Nutrition Examination Survey (NHANES) from 2011 to 2018 and divided them into four groups according to the VAI quartiles. VAI values were ln-transformed to reduce skewness. We conducted multivariable logistic regression analyses and spline smoothing plot analyses to evaluate the association between VAI and CKD. After fully adjusting for confounding factors, higher lnVAI was associated with a higher risk of CKD (OR, 1.23; 95 %CI, 1.02, 1.48). Compared to the Q1 group (VAI 3.0). The adjusted ORs (95% CI) in Q3 and Q4 were 1.74 (1.24, 2.42) and 1.59 (1.08, 2.33). Adjusted smoothed plots suggested a nonlinear relationship between lnVAI and CKD. The development of CKD increased with increasing VAI among participants with a lnVAI between −0.6 and 1.6 (VAI: 0.5–5.0). In conclusion, VAI is significantly associated with the risk of CKD in the US elderly population aged 60 years or older.

Background Persons with well-treated human immunodeficiency virus (HIV) demonstrate a 2-fold higher risk of cardiovascular disease (CVD), which may be related to excess visceral adipose tissue (VAT). The visceral adiposity index (VAI) is a score to approximate VAT by combining biochemical measures with anthropometrics without quantification by imaging. We evaluated VAI in association with cardiometabolic factors among persons with HIV (PWH). Methods Forty-five PWH on antiretroviral therapy and virologically controlled with increased abdominal VAT (VAT area >110 cm2 on CT) and no known CVD were included. VAI was calculated using standard sex-specific formulas. Coronary plaque was assessed using coronary CT angiography. Results Participants were predominantly male (73%), white (53%), and non-Hispanic (84%), with a mean age of 55 (standard deviation, 7) years. Among PWH, median VAI was calculated to be 4.9 (interquartile range [IQR], 2.8–7.3). Log VAI correlated with log VAT (r = 0.59, P <.0001) and anthropometric measures (body mass index: r = 0.36, P =.02; waist circumference: r = 0.43, P =.004; waist-to-hip ratio: r = 0.33, P =.03). Participants with coronary plaque had a higher VAI compared to those without coronary plaque (median, 5.3 [IQR, 3.4–10.5] vs 2.8 [IQR, 1.8–5.0]; P =.004). VAI (area under the curve = 0.760, P =.008) performed better than the atherosclerotic CVD risk score to predict the presence of plaque in receiver operating characteristic analyses. Conclusions VAI may be a useful biomarker of metabolic dysfunction and increased CVD risk that may occur with VAT accumulation in PWH. Clinical Trials Registration NCT02740179. [ABSTRACT FROM AUTHOR]

Objective: Visceral adipose tissue performs an important role in the development of atherosclerotic cardiovascular disease. Expressing its close association with epicardial adipose tissue simplifies the understanding of visceral adipose tissue in terms of atherosclerotic cardiovascular disease risk and facilitates the implementation of necessary lifestyle changes. In this study, we aimed to explore the relationship between epicardial adipose tissue and visceral adipose tissue proxies such as visceral fat rating, visceral adiposity index, and lipid accumulation product index as well as anthropometrics and lipid profile. Methods: This cross-sectional study involved 244 participants (131 female, 113 males), aged 18-83 years without established atherosclerotic cardiovascular disease and diabetes mellitus. Epicardial adipose tissue was measured by transthoracic echocardiography. Visceral fat rating, total body fat percentage, and mass were assessed by a bioimpedance analyzer. Mathematical formulas calculated the visceral adiposity index and lipid accumulation product index. Demographic, clinical, and biochemical information of the participants was provided from the hospital's data system. Homeostasis model assessment of insulin resistance -insulin resistance was calculated using fasting insulin and glucose. Results: Epicardial adipose tissue was significantly correlated with the visceral fat rating, visceral adiposity index, lipid accumulation product index, age, body weight, body mass index, waist circumference, waist-to-height ratio, waist-to-hip ratio, total body fat percentage and mass, systolic blood pressure, diastolic blood pressure, fasting glucose, hemoglobin A1c, insulin, homeostasis model assessment of insulin resistance, total cholesterol, low-density lipoprotein cholesterol, triglyceride, high-density lipoprotein cholesterol, and cigarette smoking. Multivariate regression analyses revealed that age (β = 0.036, P = .001), visceral fat rating (β = 0.221, P < .001), systolic blood pressure (β = 0.033, P < .001), diastolic blood pressure (β = -0.048, P < .001), and cigarette smoking (β = 0.042, P < .001) were independent variables related to epicardial adipose tissue. Conclusion: Epicardial adipose tissue is associated with cardiovascular disease risk factors and indices of visceral adiposity in people without established atherosclerotic cardiovascular disease and diabetes mellitus. [ABSTRACT FROM AUTHOR]

Background: One of the most prevalent sleep disorders affecting the individual's daily life is obstructive sleep apnea (OSA), for which obesity is a major risk factor. Several novel lipid indices have been suggested to have associations with OSA, among which visceral adiposity index (VAI), atherogenic index of plasma (AIP), and lipid accumulation product (LAP) are the most important ones. Herein, the current study aimed to systematically investigate the association between these indices and OSA. Methods: Four international databases, including PubMed, Scopus, the Web of Science, and Embase were searched in order to find relevant studies that investigated LAP, VAI, or AIP in OSA and compared them with non-OSA cases or within different severities of OSA. Random-effect meta-analysis was used to generate the standardized mean difference (SMD) and 95% confidence interval (CI) of the difference in lipid indices between OSA and non-OSA cases. Moreover, the pooled area under the receiver operating characteristic curves (AUCs) observed in individual studies for diagnosis of OSA based on these lipid indices were calculated by random-effect meta-analysis. Results: Totally 14 original studies were included, comprised of 14,943 cases. AIP, LAP, and VAI were assessed in eight, five, and five studies, respectively. Overall, these lipid indices had acceptable diagnostic ability (AUC 0.70, 95% CI 0.67 to 073). Meta-analysis revealed that AIP was significantly higher in patients with OSA (SMD 0.71, 95% CI 0.45 to 0.97, P < 0.01). Moreover, AIP also increased in higher severities of OSA. Regarding LAP, a higher LAP was observed in OSA/patients with high risk for OSA rather than in controls/low risk for OSA (SMD 0.53, 95% CI 0.25 to 0.81, P < 0.01). VAI was also increased in OSA based on results from two studies. Conclusion: These findings suggest that composite lipid indices are increased in OSA. Also, these indices can have the potential beneficiary diagnostic and prognostic ability in OSA. Future studies can confirm these findings and enlighten the role of lipid indices in OSA. [ABSTRACT FROM AUTHOR]

Context: The evidence suggest that insulin resistance (IR) complicates chronic kidney disease (CKD); however, the longitudinal association of IR with development of CKD is unknown. Objective: This work aimed to investigate the association between the dynamic course of insulin resistance and CKD. Methods: In the longitudinal, population-based Tehran Lipid and Glucose Study, 3071 eligible participants aged 20 years or older were followed for 18 years at 3-year intervals. Homeostatic model assessment of insulin resistance (HOMA-IR) and clinical surrogate markers of IR, including triglyceride-glucose index (TyG), visceral adiposity index (VAI), and lipid accumulation product (LAP), were calculated. Using latent variable mixture modeling, sex-specific trajectories were plotted for each IR marker. Trajectory group association of the IR markers with CKD was determined using the multivariable Cox proportional-hazards regression model. Results: For HOMA-IR, 2 distinct trajectory patterns (stable and increasing), and for TyG, VAI, and LAP, 3 trajectories (low, moderate, and high) were identified. The participants with an increasing HOMA-IR trajectory had a significantly increased risk of CKD in men (hazard ratio [HR]: 1.72; 95% CI, 1.06-2.79) and women (HR: 1.37; 95% CI, 1.00-1.89) after adjusting for confounding variables. The high TyG and VAI trajectory classes were associated with a higher risk of CKD than the low TyG and VAI trajectory classes both in men (TyG: HR: 1.97; 95% CI, 1.12-3.46; VAI: HR:1.66; 95% CI, 1.06-2.62) and women (TyG: HR: 1.50; 95% CI, 1.06-2.12; VAI: HR:1.66; 95% CI, 1.20-2.31). In contrast, the high LAP (HR: 3.38; 95% CI, 2.08-5.48) trajectory was associated with incident CKD only in women. Conclusion: An increasing trend of HOMA-IR is associated with a higher risk of CKD in men and women. Among clinical IR surrogate markers, abnormal trajectory patterns of LAP in women and TyG and VAI in both sexes are associated with a higher risk of CKD. [ABSTRACT FROM AUTHOR]

ObjectiveTo provide a theoretical reference for early prevention of nonalcoholic fatty liver disease （NAFLD） in obese and overweight children， the situation and correlation of NAFLD and visceral adiposity index （VAI） of overweight and obese children in Hebi city were analyzed.MethodsA total of 243 obese and overweight children were screened from 1013 first-grade children who accepted physical examination at Center for Disease Control and Prevention in Hebi City from May 2020 to May 2021. They were divided into non-NAFLD group and NAFLD group. The basic clinical data， VAI， related blood lipid indexes， and insulin resistance index （HOMD-IR） between the two groups were compared. The correlation between single factors with significant differences and NAFLD were analyzed by binary logistic regression.ResultsForty-six children with NAFLD were screened from 243 obese and overweight children， accounting for 18.93%. The number of girls， VAI， waist circumference， BMI， HOMA-IR and TG in the NAFLD group were higher than the non-NAFLD group significantly （P0.05）. Spearman rank correlation analysis showed that there was a significant negative correlation between HDL-C and NAFLD in obese and overweight children （P

Sung Ryul Yu,1 Kyung-A Shin2 1Department of Clinical Laboratory Science, Semyung University, Jaecheon, Republic of Korea; 2Department of Clinical Laboratory Science, Shinsung University, Dangjin, Republic of KoreaCorrespondence: Kyung-A Shin, Department of Clinical Laboratory Science, Shinsung University, Daehak-ro 1, Jeongmi-myeon, Dangjin, Chungnam, 31801, Republic of Korea, Tel +82-41-350-1408, Fax +82-41-350-1045, Email mobitz2@hanmail.netPurpose: The visceral adiposity index (VAI) and lipid accumulation product (LAP) are useful for assessing visceral obesity. However, these indices were developed for Caucasians, and it is necessary to confirm whether the VAI and LAP are appropriate indicators for identifying obesity phenotypes in Asians. This study investigated whether the VAI and LAP are effective indicators for diagnosing four obesity phenotypes in South Korean adults.Patients and Methods: This cross-sectional study enrolled 23,310 adult participants (age ≥ 20 years) who had undergone a health checkup at a general hospital in Gyeonggi-do, South Korea from January 2017 to December 2020. VAI and LAP were calculated based on the presented mathematical model according to sex. According to the metabolic health status and presence or absence of obesity, the obesity phenotypes were classified into 4 groups: metabolically healthy non-obese (N=14,240, 61.1%), metabolically unhealthy non-obese (N=477, 2.0%), metabolically healthy obese (MHO; N=6796, 29.2%), and metabolically unhealthy obesity (MUO; N=1797, 7.7%).Results: The receiver operating characteristics curve analysis showed VAI best predicted MUO among the four obesity phenotypes, whereas the LAP showed excellent discriminating ability for the MUO group (area under the curve 0.877, 0.849, and 0.921 and 0.923, 0.907, and 0.954 for all participants, men, and women, respectively). The optimal VAI cutoff values for identifying the MUO group were 1.83 in men and 1.58 in women, and the optimal cutoff values for the LAP were 41.45 in men and 23.83 in women, with a higher value for men. After adjusting for potential confounding factors, the VAI and LAP were associated with an increased risk in the MHO and MUO groups among the obesity phenotypes in both sexes.Conclusion: In South Korean adults, the VAI and LAP are closely related to the MUO phenotype in both sexes and are effective indices for predicting the MUO phenotype.Keywords: lipid accumulation product, visceral adiposity index, metabolic syndrome, obesity phenotype

Abstract Background The increasing trend in childhood obesity needs to be closely monitored and intervened due to long-term health issues such as metabolic syndrome, cardiovascular diseases, hypertension, and type 2 diabetes. We aimed to determine and compare the cut-off values for the visceral adiposity index (VAI), triglyceride-glucose index (TyG), and HOMA-IR for predicting metabolic syndrome (MetS). Methods This population-based cross-sectional study was conducted in May 2019 in Samsun, Turkey. The study included 169 children with obesity aged 9 and 10 years. After anthropometric and clinical evaluation, fasting blood samples were collected from the children. The areas under the curve of the visceral adiposity index, triglyceride-glucose index, and HOMA-IR were compared by receiver-operating-characteristic (ROC) analysis in predicting the MetS. Results The total prevalence of MetS was 21.3% in children with obesity, and it was two times higher in girls than in boys. The mean values of TyG and VAI were significantly different in those who have and have not MetS in both genders. However, the HOMA-IR index was higher only in girls with MetS and did not differ in boys by having MetS. The VAI and the TyG index both had statistically significant cut-off values in both sexes and a larger ROC area than the HOMA-IR index in predicting MetS. Conclusions The VAI and TyG index are effective indicators in assessing the MetS risk in children with obesity. Both indexes can be considered useful tools in pediatric research and the evaluation of interventions. However, the HOMA-IR index formula needs to be developed taking into account age, gender, and ethnicity.

Abstract Background Visceral adiposity index (VAI) has been recognized as a reliable indicator for visceral adiposity. However, it remains largely unexplored on its association with fasting plasma glucose (FPG). The current study aims to explore the association between VAI and FPG using a representative dataset. Methods A cross-sectional study was carried out based on the dataset from National Health and Nutrition Examination Survey (NHANES) 2017–2020. Univariate and Multiple linear regression analysis were performed to explore the relationship between VAI and FPG. Generalized additive model (GAM) and smooth curve fitting analysis were performed to explore the nonlinear relationship between VAI and FPG. Receiver operating characteristic (ROC) analysis was used to evaluate the predictive value of VAI for FPG elevation. Results A total of 4437 participants with complete data were finally included in the research. Individuals were divided into 4 quartiles according to the calculated VAI value: Q1 (VAI

Abstract Previous studies focused on the relationships between Serum Uric Acid (SUA) and lipids have found an association mainly with triglycerides. Furthermore, previous studies on adiposity indices have been focused on the evaluation of the Visceral Adiposity Index (VAI). The present study was aimed at providing within the same population a systematic evaluation of lipids and adiposity indices with SUA, employing both the classic cutoff for hyperuricemia and the newly one identified by the Uric Acid Right for Heart Health (URRAH) study. We analyzed data collected in 1892 subjects of the Pressioni Arteriose Monitorate E loro Associazioni (PAMELA) study with available SUA, lipid profile and variables necessary to calculate VAI, Cardio‐Metabolic Index (CMI) and Lipid Accumulation Product (LAP). At linear regression model (corrected for confounders) SUA correlated with all the lipids values (with the strongest β for triglycerides) and adiposity indices. When the two different cutoffs were compared, the URRAH one was significantly related to atherogenic lipids profile (OR 1.207 for LDL and 1.33 for non‐HDL, P

Objective. Chronic kidney disease (CKD), metabolic syndrome (MetS) and insulin resistance (IR) are the major health problems associated with the increasing risk of cardiovascular and cerebrovascular complications.

ABSTRACT Objective: We aimed to identify metabolic dysfunction in non-functioning adrenal adenomas (NFAAs) and Visceral Adiposity Index (VAI) predictability in the practical estimation of metabolic syndrome (MetS) in NFAAs. Subjects and methods: 134 NFAA patients and 68 control subjects matched for age, sex, and body mass index (BMI) were included in the study. After physical, biochemical, and endocrine evaluation, IDF and NCEP ATP III criteria were used to determine MetS. HOMA-IR and VAI were calculated for both study group subjects. Results: MetS was significantly higher in the NFAA patients. The incidence of MetS by IDF and NCEP criteria was 52.9%,48.5% in the NFAI and 32.3%,30.8% in the control group (p < 0.01, p = 0.02). The risk of MetS was increased in NFAA (75.6 vs. 24.4%, p = 0.017, OR = 1.34, 95% CI = 1.06-1.68). Glucose, HOMA IR, hypertension, and VAI were significantly increased in NFAA patients. The risk of MetS was independently associated with high VAI (79.2 vs. 20.8%, p = 0.001, OR = 2.22; 95% CI = 1.70-2.91). Conclusion: MetS, insulin resistance, and VAI are more prevalant in NFAA patients than in healthy individuals. VAI can be used with high specificity to estimate MetS in NFAA patients.

Abstract Background and aims Caveolin-1 (CAV-1) in adipocyte tissue and other body parts possesses numerous biological functions. In the present study, we sought to investigate the interaction between CAV-1 polymorphism and dietary fat quality indexes on visceral adiposity index (VAI) and body adiposity index (BAI) among overweight and obese women. Methods This study was conducted on 386 women aged 18–48 years old. Biochemical measurements were assessed by standard protocols. We used a food frequency questionnaire (FFQ) to calculate the dietary intake and the indexes of dietary fat quality intake. Anthropometric values and body composition were measured by standard methods. Finally, the CAV-1 genotype was measured using the PCR–RFLP method. Results We found marginally significant differences between AA and GG genotypes of waist-to-hip ratio (WHR) (P = 0.06) and BAI (P = 0.06) of participants after adjusting for potential confounders. For dietary intakes, after adjusting with the energy intake, mean differences in biotin (P = 0.04) and total fiber (P = 0.06) were significant and marginally significant, respectively. The interaction between two risk alleles (AA) with omega-6 to omega-3 ratio (W6/W3) on BAI, after adjustment for potential confounders (age, physical activity, energy intake, education), was marginally positive (β = 14.08, 95% CI = − 18.65, 46.81, P = 0.07). In comparison to the reference group (GG), there was a positive interaction between the two risk alleles (AA) with W6/W3 ratio on VAI (β = 2.81, 95% CI = 1.20, 8.84, P = 0.06) in the adjusted model. Conclusions We found that there might be an interaction between CAV-1 genotypes with dietary quality fat indexes on VAI and BAI among overweight and obese women.

Abstract Purpose We aimed to evaluate the performance of Chinese visceral adiposity index (CVAI), visceral adiposity index (VAI), lipid accumulation product (LAP), triglyceride glucose (TyG) as indices in screening abnormal glucose tolerance (AGT) in Chinese women with polycystic ovary syndrome (PCOS), using the oral glucose tolerance test (OGTT) as a reference test. In addition, we essentially compared the abilities of these indices with body mass index (BMI), waist circumference (WC), fasting plasma glucose (FPG). Materials and methods All 1113 PCOS patients evaluated in this study underwent OGTTs. The 2-h post-oral glucose load (2 h-PG) level was used to categorize subjects into two groups: those having AGT or normal glucose tolerance (NGT) levels. Results A statistically significant positive correlation between levels of 2 h-PG and FPG, BMI, WC, LAP, VAI, CVAI, TyG, (P

Abstract Background Waist circumference (WC), visceral adiposity index (VAI), lipid accumulation product (LAP), and Chinese visceral adiposity index (CVAI) are considered surrogate indicators of abdominal fat deposition, but the longitudinal association of these indices with cardiovascular (CV) events in adults with type 2 diabetes (T2D) remains unclear. Our study aimed to examine the associations between abdominal obesity indices and incident CV events among people with T2D and to compare their predictive performance in risk assessment. Methods The present study included 2328 individuals with T2D from the Xinjiang Multi-Ethnic Cohort. Multivariable Cox regression analyses were applied to assess the associations between abdominal obesity indices and CV events. Harrell's concordance statistic (C-statistic), net reclassification improvement (NRI) index, and integrated discrimination improvement (IDI) index were utilized to evaluate the predictive performance of each abdominal obesity index. Results At a median follow-up period of 59 months, 289 participants experienced CV events. After multivariable adjustment, each 1-SD increase in WC, VAI, LAP, and CVAI was associated with a higher risk of CV events in people with T2D, with adjusted hazard ratios (HRs) being 1.57 [95% CI (confidence interval): 1.39–1.78], 1.11 (95% CI 1.06–1.16), 1.46 (95% CI 1.36–1.57), and 1.78 (95% CI 1.57–2.01), respectively. In subgroup analyses, these positive associations appeared to be stronger among participants with body mass index (BMI)

Abstract Background Data are limited on whether several easily measured indices are independent predictors of type 2 diabetes mellitus (T2DM) in hypertensive patients. This study aimed to assess the association of hypertriglyceridemic-waist phenotype, triglyceride glucose (TyG) index, lipid accumulation product (LAP), and visceral adiposity index (VAI) with T2DM risk in hypertensive patients. Methods This cross-sectional study included 5321 hypertensive patients from the baseline survey of the Guangzhou Heart Study. Face-to-face questionnaire survey, physical examination, and fasting blood sample collection were completed for all subjects. Odds ratio (OR) with 95% confidence interval (95% CI) were calculated by using the logistic regression model. The potential nonlinear relationship was examined using restricted cubic spline regression. Results The prevalence of T2DM was 19.98% among hypertensive patients. After adjusting for confounders, participants with elevated triglyceride levels and enlarged waist circumference (HTGW) were associated with a 2.57-fold risk of T2DM (OR 2.57, 95% CI 2.05, 3.23). When comparing with subjects within the lowest quartile of the indices, those in the highest quartile of TyG, LAP, and VAI were associated with 5.35-fold (95% CI 4.33, 6.64), 2.65-fold (95% CI 2.11, 3.34), and 2.17-fold (95% CI 1.77, 2.67) risk of T2DM after adjusting for confounders. Every 1-unit increment of TyG, LAP, and VAI was associated with 81%, 38%, and 31% increased risk of T2DM, respectively. The nonlinear association was observed for TyG, LAP, and VAI (all P Non-linear

ObjectiveTo investigate correlations of lipid accumulation product (LAP) and visceral adiposity index (VAI) with metabolic syndrome (MS) and to evaluate values of LAP and VAI in MS diagnosis for providing references to early diagnosis of MS in euthyroid population. MethodsTotally 800 adult volunteers (≥ 18 years) were recruited with stratified sampling at eight communities in four districts of Shenzhen city, Guangdong province. A questionnaire interview, physical examination, thyroid B-ultrasonography and laboratory test were conducted among the volunteers simultaneously from October 2018 through January 2019. In this analysis, the values of LAP and VAI were calculated for 344 participants with normality of thyroid B-ultrasonography and thyroid function. The linear trend chi-square test, unconditional multivariate logistic regression and receiver operator characteristic (ROC) curve were used to assess associations of LAP and VAI and MS among the euthyroid participants. ResultsOf the all euthyroid participants, 112 (35.5%) were identified with MS. For the participants with the LAP and VAI values within the lowest, 2nd, 3rd, and the highest quartile, the detection rate of MS were 4.7% and 9.2%, 15.1% and 19.8%, 50.0% and 45.9%, and 72.1% and 67.4%, respectively; both LAP and VAI showed significantly positive correlation with MS prevalence (both P trend < 0.05). After adjusting for confounders such as sex, age, education, smoking, alcohol drinking, body mass index (BMI), central obesity, hypertension, fasting plasma glucose (FPG), total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), creatinine (Cr), serum uric acid (SUA) and SUA/Cr, the results of unconditional multivariate logistic regression analysis demonstrated that the participants with the LAP values within the 2nd and 3rd quartile were at an increased risk of MS (odds ratio [OR] = 3.48, 95% confidence interval [95% CI]: 1.30 – 9.31 and OR = 3.80, 95% CI: 1.26 – 11.46) compared with those with the values within the lowest quartile; the participants with the VAI values within the 2nd quartile were also at an increased risk of MS (OR = 2.79, 95% CI: 1.13 – 6.87) in comparison with those with the values within the lowest quartile. The area under ROC curve (AUC) of BMI, waist circumference (WC), SUA/Cr, LAP and VAI for MS prediction were 0.74, 0.83, 0.59, 0.84 and 0.79, respectively, indicating a higher effectiveness of LAP than that of BMI, SUA/Cr and VAI, and a higher effectiveness of VAI than SUA/Cr for MS prediction (all P < 0.01). ConclusionBoth elevated LAP and VAI could increase the risk of MS in euthyroid population. The results suggest a potential combined application of LAP and VAI in MS early detection, intervention, and precision treatment.

Background: This study aimed to compare the cardio-metabolic, anthropometric, and liver function indices among metabolic obesity phenotypes. Methods: In this cross-sectional study, which was carried out in Hoveyzeh, Khuzestan Province, Iran, a total of 7,464 individuals (male: 2859, female: 4605), were recruited and classified into four groups, based on Body Mass Index (obese, BMI ≥ 30 kg/m2; non-obese, BMI = 18.5–29.9 kg/m2) and the National Cholesterol Education Program and Adult Treatment Panel (NCEP ATP) III criteria (Healthy group, ≤ 1 of the criteria; Unhealthy group, ≥ 2 of the criteria), as follows: Metabolically Healthy Non-Obese (MHNO, 28.14%), Metabolically Unhealthy Non-Obese (MUNO, 33.06%), Metabolically Healthy Obese (MHO, 6.54%), and Metabolically Unhealthy Obese (MUO, 32.26%). Anthropometric indices (Waist/Hip Ratio (WHR), Waist/Height Ratio (WHtR), Body Adiposity Index (BAI), Visceral Adiposity Index (VAI), and Weight adjusted Waist Index (WWI)), cardio-metabolic indices (Atherogenic Index of Plasma (AIP), Lipid Accumulation Product (LAP), Cardio-Metabolic Index (CMI), Lipoprotein Combine Index (LCI), Triglyceride-Glucose (TyG), TyG-BMI, TyG-WC, and Thrombolysis In Myocardial Infarction (TIMI) risk index), and hepatic indices (Hepatic Steatosis Index (HSI) and ALD/NAFLD index (ANI)) were calculated and compared between the groups. Results: WHR,VAI, AIP, LAP, CMI, LCI, TyG, and TIMI risk index values were significantly higher in the MUNO phenotype compared to the MHO phenotype (WHR: 0.97 vs. 0.95; VAI: 3.16 vs. 1.33; AIP: 0.58 vs. 0.25; LAP: 78.87 vs. 55.79; CMI: 2.69 vs. 1.25; LCI: 27.91 vs. 12.11; TyG: 9.21 vs. 8.41; TIMI: 18.66 vs. 15.63; p < 0.001). The highest and lowest HSI and ANI values were detected in the MUO phenotype. After adjustment for age, sex, physical activity, and years of education, VAI showed the highest Odds Ratio for MUNO (OR: 5.65; 95% CI: 5.12, 6.24) and MUO (OR: 5.40; 95% CI: 5.89, 5.95) compared to the MHNO phenotypes (p < 0.001). The ANI indices was associated with a reduced risk of MUO (OR: 0.76; 95% CI: 0.75–0.78), MUNO (OR: 0.88; 95% CI: 0.87–0.90), and MHO (OR: 0.79; 95% CI: 0.77–0.81) phenotypes (p < 0.001). Conclusion: MUNO phenotype was exposed to a higher risk of cardiovascular disease compared to the MHO phenotype. VAI was found to be the optimal index for cardiovascular risk assessment. [ABSTRACT FROM AUTHOR]

Background: The purpose of the study was to compare the efficacy of two novel obesity indices, lipid accumulation product (LAP) and visceral adiposity index (VAI), with traditional obesity indices in predicting early-onset type 2 diabetes (T2DM). Methods: In this cross-sectional study, a total of 744 participants, including 605 patients newly diagnosed with T2DM and 139 non-diabetic control subjects, were enrolled from a tertiary care hospital in Tianjin, China. Participants with T2DM were divided into two groups based on their age at diagnosis, namely early-onset T2DM (age less than 40 years, n = 154) and late-onset T2DM (age 40 years or older, n = 451). The predictive power of each obesity index was evaluated using receiver operating characteristic (ROC) curve analysis. Furthermore, binary logistic regression analysis was conducted to examine the independent relationship between LAP and VAI with early-onset T2DM risk. The relationship between novel obesity indices and the age of T2DM onset was also evaluated through correlation and multiple linear regression analysis. Results: In males, LAP had the highest predictive power for early-onset T2DM with an area under the ROC curve (AUC) of 0.742 (95% CI 0.684–0.799, P < 0.001). In females, VAI had the highest AUC for early-onset T2DM with a value of 0.748 (95% CI 0.657–0.839, P < 0.001), which was superior to traditional indices. Patients in the 4th quartile of LAP and VAI had 2.257 (95% CI 1.116–4.563, P = 0.023) and 4.705 (95% CI 2.132–10.384, P < 0.001) times higher risk of T2DM before age 40, compared to those in the 1st quartile, respectively. A tenfold increase in LAP was associated with a decrease in T2DM onset age of 12.862 years in males (β = −12.862, P < 0.001) and 6.507 years in females (β = −6.507, P = 0.013). A similar decrease in T2DM onset age was observed for each tenfold increase in VAI in both male (β = −15.222, P < 0.001) and female (β = −12.511, P < 0.001) participants. Conclusions: In young Chinese individuals, LAP and VAI are recommended over traditional obesity indices for improved prediction of early-onset T2DM risk. [ABSTRACT FROM AUTHOR]

Background and objective: The visceral adiposity index (VAI), as a composite indictor to evaluate visceral adipose function, has been demonstrated to be correlated with atherosclerosis. The study objective was to explore the association between asymptomatic intracranial arterial stenosis (aICAS) and VAI in Chinese rural dwellers. Methods: The cross-sectional study consisted of 1942 participants ≥ 40 years old who were living in Pingyin County, Shandong Province and free from history of clinical stroke and transient ischemic attack. The aICAS in the study was diagnosed by transcranial doppler ultrasound combined with magnetic resonance angiography. The multivariate logistic regression models were deployed to explore the correlation of VAI with aICAS, and receiver operating characteristic (ROC) curve were plotted to compare the performance of models. Results: The participants with aICAS comparing to those without had a significantly higher VAI. After adjusting for confounding factors including age, hypertension, DM, sex, drinking habit, LDL-C, hsCRP, and smoking habit, the VAI-Tertile 3 (vs. VAI-Tertile 1) was positively associated with aICAS (OR, 2.15; 95% CI, 1.25–3.65; P = 0.005). The VAI-Tertile 3 was still markedly associated with aICAS among the underweight and normal weight (BMI ≤ 23.9 kg/m2) participants (OR, 3.17; 95% CI, 1.15–8.71; P = 0.026) with an AUC = 0.684. A similar relationship between VAI and aICAS was obtained among the participants with no abdominal obesity (WHR < 1, OR, 2.03; 95% CI, 1.14–3.62; P = 0.017). Conclusions: The possible correlation between VAI and aICAS was found to be positive for the first time among Chinese rural residents over 40 years old. A higher VAI was found to be significantly associated with aICAS among the participants who were underweight or normal weight, and these results may provide additional risk stratification information for aICAS. [ABSTRACT FROM AUTHOR]

Purpose: Diabetes is the leading cause of kidney disease. Up to 40% of the population with diabetes experience diabetic kidney disease (DKD). The correlation of DKD with insulin resistance (IR) indices has been shown in previous studies. In this study, the objective was to evaluate surrogate IR indices, including the Triglyceride-Glucose (TyG) index, Visceral Adiposity Index (VAI), Lipid Accumulation Product (LAP), and Homeostasis Model Assessment of Insulin Resistance (HOMA-IR) to find the most valuable index for the correlation between albuminuria and IR in the type 2 diabetes (T2D) population. Albuminuria is defined as urine albumin excretion of > 30 mg/day. Methods: In this cross-sectional study, 2934 participants were enrolled and evaluated for urinary albumin excretion, and albuminuria was detected in 526 of the entries. The logistic regression models and Receiver Operating Characteristic (ROC) curve analysis were performed to assess the relationship of TyG index, VAI, LAP, and HOMA-IR's with albuminuria in patients with T2D. Results: The TyG index had the highest association (OR 1.67) with the presence of albuminuria in patients with T2D, followed by HOMA-IR (OR 1.127), VAI (OR 1.028), and LAP (OR 1.004). These four indices remained independent after adjustment for multiple confounders. Based on the ROC curve, TyG revealed the best area under the curve (AUC) for revealing albuminuria with sufficient accuracy (AUC: 0.62) in comparison with other measured indices. The calculated TyG index cut-off point for the presence of albuminuria was 9.39. Conclusion: Among the indices, TyG index had the most significant correlation with albuminuria in patients with T2D. [ABSTRACT FROM AUTHOR]

Background: To explore the relationship between lipid accumulation product (LAP) and visceral adiposity index (VAI) and hypertension in oil workers and to evaluate the predictive value of hypertension by gender. Methods: A sample of 2,312 workers aged 18-60 years old with more than one year of service were selected by a whole-group random sampling method in six oil field bases in Karamay City, Xinjiang. Logistic regression combined with restricted cubic spline model was used to analyze the risk of hypertension in different LAP and VAI. The receiver operator characteristic curve (ROC) with different sex LAP and VAI predicting the risk of hypertension were drawn. Results: (1) There were significant differences in age, smoking, alcohol consumption, hypertension, BMI, WC, WHtR, SBP, DBP, TC, TG, HDL, LDL, FPG and Scr among different gender groups (P < 0.001).The prevalence of hypertension was 10.1%, with 13.9% in men and 3.6% in women. The prevalence of hypertension with different individual characteristics was statistically significant (P < 0.05). (2) Lipid accumulation product and visceral adiposity index were positively associated with hypertension (P < 0.001). The risk of hypertension may increase with the increase of lipid accumulation product and visceral adiposity index. After adjusting for age, sex, BMI, Scr, FPG and other factors, the risk of hypertension in the fourth quartile was (OR= 5.69, 95% CI [2.72-11.8]) and (OR = 3.56, 95% CI [2.03-6.23]) compared with the first quartile of lipid accumulation product and visceral adiposity index. (3) ROC results showed: AUC values of 0.658 (95% CI [0.619-0.696]), 0.614 (95% CI [0.574-0.654]), 0.661 (95% CI [0.620-0.703]) and critical values of 43.25, 1.58, 0.13 for LAP, VAI and combined indicators in men; the AUC values of LAP, VAI and combined indicators for women were 0.787 (95% CI [0.710-0.865]), 0.732 (95% CI [0.640-0.825]), 0.792 (95% CI [0.719-0.864]) and the critical values were 35.73, 1.76 and 0.03. Restricted cubic splines showed a nonlinear dose-response relationship between LAP, VAI, and risk of hypertension prevalence (P < 0.01 for overall trend and P < 0.01 for nonlinearity). Conclusions: Lipid accumulation product and visceral adiposity index may be risk factors for hypertension in oil workers. LAP and VAI have certain predictive value for hypertension. [ABSTRACT FROM AUTHOR]

Objective: Migraine is a neurovascular disease with a widespread prevalence that affects the quality of life of patients. In our study, we aimed to investigate blood lipid levels, body mass index (BMI) and visceral adiposity index (VAI) values and their relations with migraine severity in patients with migraine. Methods: This prospective study was conducted with 227 patients diagnosed with migraine and 100 healthy volunteers. Participants’ demographic characteristics were recorded, their blood lipid levels were measured, and BMI and VAI values were calculated. Results: Of the migraine patients, 83.3% were female and 33.9% had migraine aura. Triglyceride (TG) levels in patients with migraine were statistically significantly higher than the control subjects (p=0.006). BMI in the migraine without aura (MWOA) group and VAI in the migraine with aura (MWA) group were significantly higher than in the control group (p=0.021, p=0.019). TG, BMI and VAI values were found to be significantly higher in patients with a Migraine Disability Assessment (MIDAS) Grade of 3-4 than in other participants (p<0.05). Conclusion: In this study, we found significantly higher values of TG in patients with migraine, VAI in MWA, and BMI in MWOA compared to the control group. These results suggest that the use of a comprehensive index such as VAI in patients with migraine may be useful in demonstrating both increased vascular atherosclerotic risks and loss of function that may occur in relation to migraine in these patients. [ABSTRACT FROM AUTHOR]

Simple Summary: Perimenopause begins on average four years before a woman's last menses. At the end of this time, oestrogen levels drop, which leads to physiological and anatomical changes which have a significant impact on the quality of life. Increase in the risk of coronary heart disease (CHD) during the sixth decade of life can be explained by not only oestrogen deprivation, but also an effect on the lipid profile. A study showed that in healthy women, total cholesterol levels increase on average by 25 mg/dL (14%) and the levels of LDL cholesterol increase on average by 20 mg/dL (19%) from 4 years before to 1 year after menopause, which results in a greater atherogenic profile in postmenopausal women. Heart failure (HF) and cardiovascular disease, the risk of which increases during perimenopause, are not considered isolated conditions, but rather complex systemic disorders. Engaging in the amount of moderate physical activity recommended by the World Health Organization (WHO) helps reduce the risk of death and adverse health events. Regular physical activity reduces body weight, improves cardiopulmonary fitness, and reduces inflammation. The aim of the present study was to assess the effect of a 6-month aqua aerobics programme on cardiometabolic (anthropometric and biochemical) parameters in perimenopausal women. Background: Menopause is a time when women experience a number of physiological and anatomical changes resulting from a decline in ovarian function. It can be concluded that cardiovascular disease increases in perimenopausal and postmenopausal women, irrespective of age-related changes. Engaging in the amount of moderate physical activity recommended by the World Health Organization helps reduce the risk of death and adverse health events. The aim of the present study was to assess the effect of a 6-month aqua aerobics programme on cardiometabolic (anthropometric and biochemical) parameters in perimenopausal women. Methods: In this study, 30 women (control group—16, study group—14) participated in the 6-month aqua aerobics training programme. The mean age of women was 47.67 ± 6.79 year and BMI 26.33 ± 3.64 kg/m2. At the beginning and at the end of the study, anthropometric and blood samples analysis were performed. In the blood, lipid profile, morphotic elements were determined. Body composition, waist–hip ratio (WHR), visceral adiposity index (VAI), blood pressure (BP) were measured. Results: The aqua aerobics programme resulted in a significant decrease in the WHR (p < 0.05; ES: 2.143), diastolic blood pressure (DBP) (p < 0.05; ES: 1.005), and platelet-to-lymphocyte ratio (PRL) (p < 0.05; ES: 0.460) and an increase in haemoglobin (HGB) concentration (p < 0.05; ES: 0.643). Conclusions: The type of physical activity described in the present study is a great way for perimenopausal women to take care of their overall well-being. The reduction in selected cardiometabolic parameters is important from the point of view of the protection of women's health. [ABSTRACT FROM AUTHOR]