Table 1. Serum levels of testosterone, dihydrotestosterone and estradiol.

Group	C	ND	E	ND+E
Hormone
T (ng/ml)	1.57 ± 0.14	6.54 ± 0.54 a**	5.48 ± 0.64 b**	7.25 ± 0.65 c**
DHT (pg/ml)	519.75 ± 86.83	641.12 ± 54.50	1051.12 ± 98.78 b** d**	554.12 ± 54.78 e**
E2 (pg/ml)	13.10 ± 0.95	20.87 ± 0.90 a**	18.08 ± 0.97	24.49 ± 2.07 c** e*

Values are expressed as mean ± SEM. C—control group, ND—nandrolone decanoate group, E—exercise group, ND+E—nandrolone decanoate plus exercise group.

^a C vs. ND;

^b C vs. E;

^c C vs. ND+E;

^d ND vs. E;

^e E vs. ND+E;

* denotes a significant difference p<0.05,

** denotes a significant difference p<0.01, n = 8 per group, One-way ANOVA, Bonferroni post hoc analysis).