AAS Using-on (n=8) | AAS Using-off (n=7) | Bodybuilder controls (n=8) | Sedentary controls (n=9) | Normal range | |
---|---|---|---|---|---|
Values are mean (SD). | |||||
*p<0.05, **p<0.01 compared with controls. | |||||
†Significantly lower (p<0.05) than BC and SC but not SU. | |||||
N/A, Not applicable; AAS, anabolic androgenic steroid; SHBG, sex hormone binding globulin; TSH, thyrotrophin; T4, thyroxine. | |||||
Group ID | SU | SA | BC | SC | |
Length of AAS use (years) | 19 (2.3) | 20 (2.5) | N/A | N/A | |
Body mass index (kg/m2) | 34.4 (2.7)** | 34.7 (3.7)** | 28.3 (2.0) | 27.1 (2.9) | |
Testosterone (nmol/l) | 57.4 (21)* | 19.6 (4.9) | 16.3 (5.7) | 14.3 (3.6) | 8–30 |
SHBG (nmol/l) | 4.3 (2)** | 12.5 (7.5)† | 23.7 (8.9) | 26 (15.2) | 15–100 |
TSH (mU/l) | 2.1 (0.8) | 3.4 (1.0) | 2.3 (1.2) | 3.7 (1.1) | 0.35–5 |
T4 (nmol/l) | 83 (14) | 76 (19) | 74 (17) | 88 (20) | 55–144 |