Figure 2: (a) Mean serum osteocalcin levels for all the groups before and after treatment. (b) Mean serum C-terminal telopeptide of type I collagen for all the groups before and after treatment. Data presented as mean ± SEM. SHAM: sham-operated control. ORX: orchidectomized control. ORX + T: orchidectomized supplemented with testosterone. ORX + EL: orchidectomized supplemented with EL. ORX + T + EL: orchidectomized and combination treatment of testosterone with EL. bthe posttreatment level is significant different compared to the posttreatment level of SHAM group (). *Significant difference before and after treatment in each group ().