Table 2.

Zonal measurement of the cartilage volume and thickness at the medial tibial plateau

				S T U D Y G R O U P S
Parameter	Unit	Zone	Sham	MM + veh	MM + Zol	MM + PTH
		z1	0.12 ± 0.02	0.19 ± 0.06*	0.19 ± 0.06*	0.19 ± 0.06*
Cartilage	mm3	z2	0.20 ± 0.02	0.11 ± 0.04**	0.12 ± 0.03**	0.12 ± 0.06**
Volume		z3	0.19 ± 0.04	0.23 ± 0.04*	0.23 ± 0.05*	0.23 ± 0.06*
		z1	0.14 ± 0.02	0.18 ± 0.06*	0.18 ± 0.04*	0.18 ± 0.07*
Cartilage	mm	z2	0.23 ± 0.02	0.15 ± 0.04**	0.15 ± 0.03**	0.15 ± 0.06**
Thickness		z3	0.23 ± 0.04	0.20 ± 0.03	0.21 ± 0.03	0.20 ± 0.05

Sham, sham control group, MM + veh medial meniscectomy (MM) vehicle-treated group, MM + Zol MM + zoledronate group, MM + PTH MM + parathyroid hormone group

^* p < 0.05 or ^** p < 0.001 relative to sham rats