Micro/Nanostructures and Mechanical Properties of Trabecular Bone in Ovariectomized Rats

Table 2

Trabecular volumetric BMD at organ and tissue levels and 3D microstructure evaluated by Micro-CT.

Parameters	SHAM ()	OVX ()	Difference (%)	value
Organ BMD (mg/mm^3)	478.5 ± 32.4	348.3 ± 41.2	−27.2^a	0.002
Tissue BMD (mg/mm^3)	820.1 ± 29.7	722.7 ± 36.5	−12.0^a	0.001
BV/TV (%)	35.2 ± 7.3	25.6 ± 5.3	−28.6^a	0.007
Tb.Th (m)	65 ± 7	56 ± 7	−13.8^a	0.027
Tb.Sp (m)	177 ± 31	211 ± 47	19.2^a	0.09
Tb.N (1/mm)	4.65 ± 0.59	3.86 ± 0.48	−17.0^a	0.006
Structure model index (SMI)	1.02 ± 0.25	1.95 ± 0.31	91.2^a	0.033
Degree of anisotropy (DA)	1.93 ± 0.29	2.04 ± 0.26	5.7	0.396
Connectivity density (1/mm)	35.6 ± 11.2	28.8 ± 9.8	−19.1	0.699

Values are expressed as mean ± SD. Difference: OVX versus SHAM, .