Table 2. Changes in laboratory values after treatment.

Variable	Pre-treatment	Post-treatment	P value
Serum testosterone (ng/dL, mean ± SEM)	207.00±20.10	528.00±41.60	0.001*
Hematocrit (%, mean SEM)	35.80±2.10	42.50±1.40	0.001*
PSA (ng/mL, mean ± SEM)	0.91±0.17	0.98±0.15	0.630

*, significant P value (<0.05).