Table 4. Histomorphometric analysis of tibia at the metaphysis site (secondary spongiosa) in the control and 1.5 m impacted mice.

Parameters	Control	Impacted	P-value
Mineralizing surface/mm	1.44±0.03	0.96±0.08	P=0.09
Bone formation rate (mm2×10−3 per day)	2.17±0.13	0.97±0.07	P<0.02
Mineral apposition rate (μm per day)	1.37±0.09	1.11±0.10	P=0.18
TRAP stained osteoclast surface/bone surface	9.83±0.45	11.86±0.49	P=0.30

Values are mean±s.e., n=7–8.