Table 6.

Accuracy of various cutoffs in predicting incident fracture in the prospective cohort

Trait	Threshold	Sensitivity (95%CI)	Specificity (95%CI)	PPV (95%CI)	NPV (95%CI)	LR+ (95%CI)	LR− (95%CI)
FN BMD T-score	−2.50	0.395 (0.253–0.555)	0.910 (0.895–0.923)	0.102 (0.062–0.160)	0.983 (0.975–0.988)	4.372 (2.931–6.522)	0.664 (0.522–0.847)
Combined HGS T-score and BMD T-score	−4.21	0.465 (0.315–0.622)	0.910 (0.895–0.923)	0.118 (0.075–0.178)	0.985 (0.977–0.990)	5.144 (3.607–7.337)	0.588 (0.445–0.777)
Combined HGS T-score and BMD T-score	−2.69	0.837 (0.687–0.927)	0.653 (0.630–0.676)	0.058 (0.042–0.081)	0.994 (0.986–0.997)	2.416 (2.084–2.799)	0.249 (0.126–0.491)