Table 4.

Comparison between Control and MSCs for structural indices of lumbar spine

Parameter	Control Group	MSCs Group	P value
Total Volume (TV mm^3) (VOX)	21.251±5.980	28.352±1.450	0.001
Bone Volume (TV mm^3) (VOX)	2.446±0.783	2.776±0.424	0.001
BV/TV (Vox) Relative Bone Volume (%)	0.086±0.028	0.098±0.015	0.01
Trabecular Number [1/mm] (VOX)	0.996±0.002	1.339±0.387	0.01
Trabecular Thickness [1/mm] (VOX)	0.105±0.009	0.114±0.027	0.3
Connectivity density, normed by TV [1/mm^3] (VOX)	1.949±0.486	4.850±2.907	0.001
Trabecular separation = marrow thickness [mm] (VOX)	1.024±0.052	0.795±0.0280	0.02
Total Volume (Tmm^3) (TRI)	21.936±1.101	27.943±0.002	0.001
Bone Volume (TV mm^3) (TRI)	2.392±0.792	2.732±0.424	0.01
TRI-BS	41.725±13.101	60.761±17.74	0.001
TRI-BS/BV	17.711±1.635	21.951±4.025	0.001
Trabecular number [1/mm] (TRI)	0.747±0.181	1.087±0.318	0.008
Trabecular Thickness [1/mm] (TRI)	0.083±0.03	0.093±0.017	0.09
Trabecular Spacing	1.266±0.345	0.898±0.314	0.004

VOX = Based on counting voxels; TRI = based on Triangularization of surface.