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Objective: The authors aimed to explore the clinical outcomes and risk factors related to recurrence of and survival from solitary fibrous tumors (SFTs) and hemangiopericytomas (HPCs) that were reclassified according to the 2021 WHO classification of central nervous system (CNS) tumors., Methods: The authors retrospectively collected and analyzed the clinical and pathological data of SFTs and HPCs recorded from January 2007 to December 2021. Two neuropathologists reassessed pathological slides and regraded specimens on the basis of the 2021 WHO classification. The prognostic factors related to progression-free survival (PFS) and overall survival (OS) were statistically assessed with univariate and multivariate Cox regression analyses., Results: A total of 146 patients (74 men and 72 women, mean ± SD [range] age 46.1 ± 14.3 [3-78] years) were reviewed, and 86, 35, and 25 patients were reclassified as having grade 1, 2, and 3 SFTs on the basis of the 2021 WHO classification, respectively. The median PFS and OS of the patients with WHO grade 1 SFT were 105 months and 199 months after initial diagnosis; for patients with WHO grade 2 SFT, 77 months and 145 months; and for patients with WHO grade 3 SFT, 44 months and 112 months, respectively. Of the entire cohort, 61 patients experienced local recurrence and 31 died, of whom 27 (87.1%) died of SFT and relevant complications. Ten patients had extracranial metastasis. In multivariate Cox regression analysis, subtotal resection (STR) (HR 4.648, 95% CI 2.601-8.304, p < 0.001), tumor located in the parasagittal or parafalx region (HR 2.105, 95% CI 1.099-4.033, p = 0.025), tumor in the vertebrae (HR 3.352, 95% CI 1.228-9.148, p = 0.018), WHO grade 2 SFT (HR 2.579, 95% CI 1.343-4.953, p = 0.004), and WHO grade 3 SFT (HR 5.814, 95% CI 2.887-11.712, p < 0.001) were significantly associated with shortened PFS, whereas STR (HR 3.217, 95% CI 1.435-7.210, p = 0.005) and WHO grade 3 SFT (HR 3.433, 95% CI 1.324-8.901, p = 0.011) were significantly associated with shortened OS. In univariate analyses, patients who received adjuvant radiotherapy (RT) after STR had longer PFS than patients who did not receive RT., Conclusions: The 2021 WHO classification of CNS tumors better predicted malignancy with different pathological grades, and in particular WHO grade 3 SFT had worse prognosis. Gross-total resection (GTR) can significantly prolong PFS and OS and should serve as the most important treatment method. Adjuvant RT was helpful for patients who underwent STR but not for patients who underwent GTR.

Objective: To study the status of chronic disease multimorbidity of middle-aged and elderly people over 45 years old in China, and to analyze the influencing factors., Methods: Using the data of the"China Health and Nutrition Survey(CHNS)", this survey has been carried out in 10 rounds nationwide since 1989. Multi-stage cluster random sampling was used to investigate rural and urban areas in 9 provinces and cities in China. In this study, the general socio-demographic characteristics, disease history, living habits and other information in the 2009 database were used to analyze the subjects who were collected blood samples. The prevalence of 8 common chronic diseases and multimorbidity such as hypertension, mixed-hyperlipidemia and hyperuricemia were described respectively. The Venn diagram in the R software package was used to calculate the multimorbidity of the disease. The χ~2 test and multiple correspondence analysis were used to explore the influencing factors of chronic disease multimorbidity in the middle-aged and elderly people in China., Results: Among the 5316 subjects, the highest prevalence among 8 chronic diseases was hypertension(2143, 40. 3%). The lowest prevalence was myocardial infarction(87, 1. 4%). There were all together 1498 patients who had two kinds or more than two kinds of chronic diseases with a detection rate of 28. 18%. The most common multimorbidity were hypertension+hyperuricemia(199, 13. 30%), followed by hypertension + mixed-hyperlipidemia(191, 12. 77%). Hypertension+hyperuricemia+mixed-hyperlipidemia was the most common combination of the three chronic diseases(103, 6. 89%). Age(Kendull=0. 158, P&lt;0. 001), region(χ~2=30. 129, P&lt;0. 001), BMI(Kendull=0. 344, P&lt;0. 001) and marital status(χ~2=21. 923, P&lt;0. 001) were associated with the number of multimorbidities. Correspondence analysis showed that subjects aged 65 to 74, living in cities and sleeping less than 7 hours were more likely to have multimorbidity., Conclusion: The prevalence of chronic disease multimorbidity among middle-aged and elderly residents in China is high. Older age, unmarried, overweight and obesity, too little or too much sleep may increase the risk of multimorbidity.

Objective: To explore the relationship between concentration of serum magnesium with overweight/obesity and abdominal obesity in Chinese adults., Methods: Data from China Health and Nutrition Survey investigated in 2009 was analyzed. Rank correlation analysis, univariate analysis and binary Logistic regression analysis were performed to analyze influence of serum magnesium concentrations, regions and gender on the prevalence of overweight/obesity and abdominal obesity., Results: The prevalence of overweight/obesity was 40. 2%. The concentration of serum magnesium in people withoverweight/obesity was higher than that in people with non-overweight/obesity( 0. 95 mmol/L vs. 0. 93 mmol/L, t = 7. 021, P < 0. 001). The prevalence of overweight/obesity was 33. 2%. The concentration of serum magnesium in people with abdominal obesity was higher than that in people with non-abdominal obesity( 0. 95 mmol/L vs. 0. 93 mmol/L, t = 5. 712, P < 0. 001). The serum magnesium concentration, prevalence of overweight/obesity and abdominal obesity were higher in magnesium-rich area than in the nonmagnesium-rich areas, which showed significant differences between two groups( serum magnesium: t = 8. 012, P < 0. 001; overweight/obesity: χ~2= 138. 252, P < 0. 001;abdominal obesity: χ~2= 134. 999, P < 0. 001). The rank correlation coefficients between serum magnesium concentration and prevalence of overweight/obesity and abdominal obesity were 0. 952 and 0. 796 in male, and 0. 794 and 0. 903 in female, respectively. Serum magnesium concentration was divided into four grades according to quartiles. The risk of overweight/obesity increased by 1. 207 times( 95% CI 1. 138-1. 281) when the serum magnesium increased a level, and the risk of abdominal obesity increased by 1. 187 times( 95% CI 1. 114-1. 266)., Conclusion: Higher serum magnesium concentration may be a risk factor for overweight/obesity and abdominal obesity. Serum magnesium concentration is moderately and even highly correlated with prevalence of obesity, and there is a gender difference in this relationship.