Table 4.

Selected cut-off values of the different PGs for predicting clinical relevant OSA based on home measurements.

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Youden's J Index	Accuracy
ApneaLink Air (n = 72)
AHI = 7.0 events/h	89.6	58.3	81.1	73.7	0.479	0.79
AHI = 19.9 events/h	52.1	95.8	96.2	50.0	0.479	0.67
Somnotouch RESP (n = 73)
AHI = 10.3 events/h	90.2	50.0	80.7	68.8	0.402	0.78
AHI = 19.9 events/h	56.9	86.4	90.6	46.3	0.433	0.66
SpiderSAS (n = 79)
AHI = 19.5 events/h	87.3	58.3	82.8	66.7	0.460	0.78
AHI = 29.5 events/h	56.4	91.7	93.9	47.8	0.480	0.67

AHI, apnea-hypopnea index; PPV, positive predictive value; NPV, negative predictive value.