Table 1: Characteristic data of study group 1 at the time of inclusion (visit 1) and after 6 months cessation of AAS.

Mean age (range)26.4 y (18–57)
AAS duration (range)5.2 y (0.5–17)
Last AAS intake (range)84 days ago (0–365)
% Tested positive for
 Nandrolone61%
 Testosterone54%
 Stanozolol35%
Total Testosterone concentration
 Mean (range) visit 119.1 mmol/L (0.7–137)
 Mean (range) visit 214.2 mmol/L (5.6–49)
% Hypogonadal
<12 mmol/L
 Visit 163%
 Visit 243%