Table 2.

Changes in bone mineral density (vBMD) of control and osteoarthritis groups at 0, 4, and 8 weeks

	Volumetric bone mineral density (g/cm3)
	Control (n = 7)	Osteoarthritis (n = 7)
0 weeks	0.35 ± 0.04	0.35 ± 0.04
4 weeks	0.48 ± 0.04a	0.45 ± 0.03a
8 weeks	0.47 ± 0.05	0.31 ± 0.05b,*

Notes: Values are mean ± standard deviation;

^asignificant changes from 0 weeks;

^bsignificant changes from 4 weeks;

^*significant difference between control and osteoarthritis groups at 0, 4, and 8 weeks, P < 0.05.