Self-Repair of Rat Cortical Bone Microdamage after Fatigue Loading In Vivo

Table 1

Microdamage and absorptive space parameters (𝑥±𝑠).

	OVX 1st (𝑛=9)	OVX 2nd (𝑛=9)	OVX 3rd (𝑛=9)	OVX 4th (𝑛=8)
Cr.Le (μm)	51.20±15.17	44.21±13.00^a	31.53±7.96	29.71±8.98
Cr.S.Dn (μm/mm^2)	1.70±0.54	1.41±0.300^a	1.01±0.26	0.96±0.29
Cr.Dn (#/mm^2)	0.43±0.15	0.36±0.15^a	0.200±0.12	0.18±0.09
Rs.Sp.Dn (#/mm^2)	3.032^b	0.530^a	0.208	0.143

Values are expressed as means ± SD.
Cr.Le: mean microcrack length; Cr.Dn: microcrack density; Cr.S.Dn: microcrack surface density; Rs.Sp.Dn: absorptive space density.
^a𝑃<0.05, relative to with the OVX 3rd week groups; ^b𝑃<0.05, relative to the OVX 2nd week group.