Table 1.

Performance of the proposed SVM method for identifying women with low lumbar spine BMD and femoral neck BMD at a 95% confidence interval (CI)

Identifying site	Sensitivity %	Specificity %	Positive predictive value %	Negative predictive value %	Accuracy %	Likelihood ratio (+) %
Lumbar spine	90.9 (85.3-96.5)	83.8 (76.6-91.0)	71.4 (62.5-80.3)	96.7 (93.8-99.6)	88.0 (81.6-94.4)	5.5 (4.5-6.5)
Femoral neck	90.0 (84.1-95.9)	69.6 (60.1-78.6)	46.6 (36.8-56.4)	96.0 (92.1-99.2)	75.0 (66.5-83.5)	3.1 (2.2-4.0)