Table 2.

Results of linear regression models to test for gender differences in vBMD and bone size after adjusting for DXA FN aBMD and age.

Endpoint		Parameter estimate	P-value	Model R2
QCT FN total cross-sectional area	Intercept	6.49	<0.001	0.60
	DXA FN aBMD	−0.09	0.852
	Age	0.01	0.086
	Male sex	2.62	< 0.001
QCT FN total vBMD	Intercept	44.41	0.036	0.73
	DXA FN aBMD	348.57	<0.001
	Age	−0.61	<0.001
	Male sex	−50.42	<0.001
QCT FN trabecular vBMD	Intercept	34.18	0.045	0.69
	DXA FN aBMD	242.83	<0.001
	Age	−0.76	<0.001
	Male sex	−27.90	<0.001
QCT FN cortical vBMD	Intercept	292.95	<0.001	0.38
	DXA FN aBMD	315.10	<0.001
	Age	−0.41	0.204
	Male sex	−28.65	<0.001