Table 2.

Receiver Operating Characteristic Curve Analysis to Identify DXA T Scores of –2.5 or Lower at the Right Calcaneus

Parameter	AUC	SD	P	95% CI
At the right femoral neck: 7 positive, 221 negative (n = 228)
BUA	0.770	0.057	.015	0.658–0.882
QUS T score	0.736	0.071	.033	0.596–0.876
SOS	0.619	0.134	.283	0.357–0.882
At the right hip: 10 positive, 219 negative (n = 229)
BUA	0.885	0.034	<.001	0.819–0.951
QUS T score	0.887	0.033	<.001	0.822–0.952
SOS	0.714	0.088	.022	0.541–0.886
At the lumbar spine: 31 positive, 197 negative (n = 228)
BUA	0.708	0.049	<.001	0.611–0.805
QUS T score	0.700	0.050	<.001	0.603–0.798
SOS	0.602	0.051	.069	0.503–0.701

CI indicates confidence interval.