[Androgen status of male diabetics. Total testosterone before and following stimulation with HCG, free testosterone, and testosterone binding capacity of patients with and without potency disorders].

In order to investigate the androgen status of diabetics we determined in 39 patients, 18-60 years old, 17 of which suffered from potency disturbances, the basal total plasma testosterone, the free testosterone fraction and the unbound plasma testosterone as well as the testosterone binding capacity. In 39 of these patients we proved the response of Leydig cells to HCG. Between normal persons and patients with and without potency disturbances basal total plasma testosterone did not differ significantly (p greater than 0.