Figure 1.

Prevalence of subnormal free testosterone concentrations in lean, overweight, and obese men (based on BMI) with and without diabetes. Mean age 60 years; range 45–96 years. A total of 44% of men with diabetes and 33% of age-matched men without diabetes had subnormal free testosterone concentrations, respectively. Sample size: 275 lean, 687 overweight, and 489 obese men without diabetes; 36 lean, 135 overweight, and 227 obese men with diabetes. *P < 0.05 vs. obese men in the same group (with diabetes or without diabetes); #P < 0.05 vs. men without diabetes. Adapted from data published in Dhindsa et al. (3).