Table 2. ALN significantly increased serum calcium, decreased serum phosphorus and enhanced BMD in OP.

Group	Serum calcium (mmol/l)	Serum phosphate (mmol/l)	Bone mineral density (g/cm3)
Sham	2.47 ± 0.15	2.75 ± 0.26	1.53 ± 0.07
OP	2.54 ± 0.18	2.36 ± 0.25*	1.03 ± 0.06*
ALN	2.52 ± 0.20	2.44 ± 0.31*	1.31 ± 0.05*#

Abbreviations: ALN, alendronate; OP, osteoporosis. *, P < 0.05 vs. the sham group; #, P < 0.05 vs. the OP group.