Table 3.

Diagnostic performance of ANNE sleep vs PSG at AHI thresholds.

AHI Cutoff (events/h)	Sensitivity (95% CI)	Specificity (95% CI)	AUC (95% CI)	Accuracy	PPV (95% CI)	NPV (95% CI)	LR+	LR−
5	0.96 (0.92–0.99)	0.86 (0.77–0.92)	0.91 (0.87– 0.95)	0.92	0.91 (0.85–0.95)	0.94 (0.87–0.98)	6.7	0.04
15	0.90 (0.8–0.96)	0.97 (0.94–0.99)	0.94 (0.90–0.97)	0.95	0.94 (0.85–0.98)	0.96 (0.91–0.98)	35.2	0.11
30	0.65 (0.45–0.81)	0.99 (0.96–0.99)	0.82 (0.73–0.90)	0.94	0.91 (0.71–0.99)	0.95 (0.91–0.97)	62.6	0.36

AHI = apnea-hypopnea index, AUC = area under the curve, CI = confidence interval, LR = likelihood ratio, NPV = negative predictive value, PPV = positive predictive value, PSG = polysomnography.