Low Testosterone Levels Are Common and Associated with Insulin Resistance in Men with Diabetes

Abstract

Abstract Context: Low testosterone levels are common in men with type 2 diabetes and may be associated with insulin resistance. Objective: We investigated prevalence of testosterone deficiency and the relationship between testosterone and insulin resistance in a large cohort of men with type 2 and type 1 diabetes. Design: The study was a cross-sectional survey of 580 men with type 2 diabetes and 69 men with type 1 diabetes. A subgroup of 262 men with type 2 diabetes was then reassessed after a median of 6 months. Results: Forty-three percent of men with type 2 diabetes had a reduced total testosterone, and 57% had a reduced calculat..