Table 8. Area Under the ROC Curves for Different ROC Analyses Based on Whole-Body Measurements for Diagnosis of Abnormal BMD and Osteoporosis in the Studied Anatomical Sites^a.

	WB BMD	WB Z-score	WB T-score
Spine
Abnormal BMD vs. Normal BMD	0.86 (0.79 - 0.94)	0.86 (0.82 - 0.96)	0.87 (0.79 - 0.94)
Osteoporosis vs. Others	0.82 (0.74 - 0.9)	0.84 (0.77 - 0.92)	0.82 (0.74 - 0.9)
Hip
Abnormal BMD vs. Normal BMD	0.96 (0.92 - 0.99)	0.93 (0.88 - 0.98)	0.96 (0.92 - 0.99)
Osteoporosis vs. others	0.84 (0.76 - 0.91)	0.82 (0.74 - 0.91)	0.84 (0.76 - 0.93)
Forearm
Abnormal BMD vs. Normal BMD	0.83 (0.73 - 0.93)	0.79 (0.68 - 0.89)	0.83 (0.73 - 0.93)
Osteoporosis vs. Others	0.83 (0.75 - 0.91)	0.75 (0.66 - 0.84)	0.83 (0.75 - 0.90)

Abbreviation: BMD, bone mineral density; WB, whole body; AUC, area under the curve.

^aAll numbers are AUCs and their 95% confidence interval in parenthesis.