Table 2.

Multivariate regression analyses for the prediction of CT BD parameters in the axial and appendicular skeleton of 129 males and 126 females

	Females		Males
	β	P	β	P
CT femoral CBA
Weight	0.022	<0.0001	0.021	0.0006
Height	0.001	0.69	−0.010	0.027
DXA total body fat	−2.551E-5	0.0013	−2.705E-5	0.0007
Femoral CSA	0.602	<0.0001	0.659	<0.0001
Marrow FD	2.505	0.0051	6.750	<0.0001
R2 adjusted	0.85		0.79
CT vertebral BD
Weight	0.002	0.0001	0.002	<0.0001
Height	−0.001	0.20	−0.001	0.009
DXA total body fat	−1.896E-6	0.07	−2.583E-6	0.0001
Vertebral CSA	−0.01	0.0001	−0.004	0.02
Marrow FD	0.472	0.0002	0.550	<0.0001
R2adjusted	0.28		0.23

DXA, Dual energy x-ray absorptiometry; FD, fat density; BD, bone density; CSA, cross-sectional area; CBA, cortical bone area; E, exponential.