There was significantly difference of plasma tetosterone levels between diabetic patients and controls of < 60 ages and ≥ 60 ages were respectively 4, 07± 1, 19 vs 5, 36± 1, 89 ng / ml) and 4, 76± 1, 76 vs 5, 22 ±1, 39 ng / ml, p <0, 05).