. Author manuscript; available in PMC: 2016 Nov 4.

Published in final edited form as: Osteoporos Int. 2013 Jun 28;25(1):177–185. doi: 10.1007/s00198-013-2419-1

Table 2.

Mean (SD) of indices of bone density and geometry between individuals with SCI with and without lower extremity fragility fractures

	Participants with fragility fractures	Participants without fragility fractures	p value
DXA
Distal femur aBMD (g/cm²)	0.454 (0.11)	0.667 (0.20)	<0.001
Proximal tibia aBMD (g/cm²)	0.371 (0.10)	0.541 (0.16)	<0.001
Total hip aBMD (g/cm²)	0.730 (0.19)	0.769 (0.17)	0.021
Femoral neck aBMD (g/cm²)	0.689 (0.13)	0.595 (0.14)	0.010
pQCT
TbvBMD (mg/cm³)	84.4 (33.3)	145.7 (56.3)	<0.001
CTh (mm)	2.66 (0.79)	3.47 (0.88)	0.003
BR	6.1 (2.0)	5.0 (1.4)	0.057
CSMI (mm⁴)	4,603.1 (2,264.3)	7,129.5 (4,782.7)	0.009
PMI (mm⁴)	31,983.6 (10,278.1)	46,971.8 (19,030.7)	<0.001

aBMD areal bone mineral density, TbvBMD trabecular volumetric bone mineral density, CTh cortical thickness, BR buckling ratio, CSMI cross-sectional moment of inertia, PMI polar moment of inertia