ArticleDiabetes, metabolic syndrome and obesity : targets and therapy2026
Age-Specific Associations Between the Testosterone-to-Estradiol Ratio and Metabolic Syndrome Components in Middle-Aged and Elderly Chinese Men.
Article in Diabetes, metabolic syndrome and obesity : targets and therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Metabolic syndrome (MetS) is common in aging men, but the age-specific relationship between the testosterone-to-estradiol (T/E2) ratio and metabolic abnormalities remains insufficiently characterized. This study evaluated age-stratified associations between the T/E2 ratio and MetS-related parameters in middle-aged and elderly Chinese men. Methods: This retrospective cross-sectional study included 120 Chinese men aged 46-75 years. Participants were divided into three age groups: 46-55, 56-65, and 66-75 years. Serum testosterone, estradiol, sex hormone-binding globulin (SHBG), anthropometric indices, blood pressure, fasting blood glucose, and lipid profiles were assessed. MetS components were defined according to IDF-based criteria, and TyG index and TyG-BMI were calculated. Age-stratified Pearson correlation analyses were performed, with Spearman correlation and FDR adjustment used for sensitivity analyses. Results: The T/E2 ratio decreased significantly across age groups, while SHBG increased and T/SHBG decreased with age. In the 46-55-year group, the T/E2 ratio was inversely correlated with fasting blood glucose, waist circumference, TyG-BMI, and total MetS points score. In the 66-75-year group, the main inverse association was observed between the T/E2 ratio and triglycerides. No consistent significant associations were observed in the 56-65-year group. Sensitivity analyses showed generally consistent directions for the main associations. Conclusions: The T/E2 ratio shows age-related decline and age-specific associations with selected MetS-related parameters in middle-aged and elderly Chinese men. These findings suggest that the T/E2 ratio may reflect age-related metabolic heterogeneity, but prospective studies are needed to clarify its longitudinal and clinical relevance.
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