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Aims/Introduction: Diabetes mellitus is reported as a risk factor for increased coronavirus disease 2019 (COVID‐19) severity and mortality, but there have been few reports from Japan. Associations between diabetes mellitus and COVID‐19 severity and mortality were investigated in a single Japanese hospital. Materials and Methods: Patients aged ≥20 years admitted to Osaka City General Hospital for COVID‐19 treatment between April 2020 and March 2021 were included in this retrospective, observational study. Multivariable logistic regression analysis was carried out to examine whether diabetes mellitus contributes to COVID‐19‐related death and severity. Results: Of the 262 patients included, 108 (41.2%) required invasive ventilation, and 34 (13.0%) died in hospital. The diabetes group (n = 92) was significantly older, more obese, had longer hospital stays, more severe illness and higher mortality than the non‐diabetes group (n = 170). On multivariable logistic regression analysis, age (odds ratio [OR] 1.054, 95% confidence interval [CI] 1.023–1.086), body mass index (OR 1.111, 95% CI 1.028–1.201), history of diabetes mellitus (OR 2.429, 95% CI 1.152–5.123), neutrophil count (OR 1.222, 95% CI 1.077–1.385), C‐reactive protein (OR 1.096, 95% CI 1.030–1.166) and Krebs von den Lungen‐6 (OR 1.002, 95% CI 1.000–1.003) were predictors for COVID‐19 severity (R2 = 0.468). Meanwhile, age (OR 1.104, 95% CI 1.037–1.175) and Krebs von den Lungen‐6 (OR 1.003, 95% CI 1.001–1.005) were predictors for COVID‐19‐related death (R2 = 0.475). Conclusions: Diabetes mellitus was a definite risk factor for COVID‐19 severity in a single Japanese hospital treating moderately‐to‐severely ill patients. [ABSTRACT FROM AUTHOR]

Objectives: The purpose of this study was: (a) to examine whether the endometrium of postmenopausal women with hypertension (HT) and/or type 2 diabetes mellitus (DM) was thicker than that of healthy controls (HC) and (b) whether endometrial thickness (ET) was associated with endometrial cancer risk factors. Study Design: A total of 242 postmenopausal women were included in this study. Thirty women with type 2 DM, 49 women with HT, 23 women with DM and HT and 140 HCs were studied. Clinical evaluation of all women was done using TVS and endometrial cytology. Results: In the 140 HCs, the mean ET of nulliparous women was larger than multiparous women (3.0 mm versus 1.6 mm, p = 0.017). However, there was no significant relationship between ET and other clinical parameters such as a history of sterility or BMI. There was no significant difference in ET amongst the four groups. The relationship between ET, age, pregnancy history, menopause age, BMI and presence of DM or HT were analyzed using stepwise multivariate analysis. There was no significant relationship between these risk factors and ET (p = 0.063). Conclusions: The risk factors such as age, pregnancy history, menopause age, BMI and presence of DM or HT were not related to ET in Japanese women. [ABSTRACT FROM AUTHOR]