. 2020 Aug 11;10:13512. doi: 10.1038/s41598-020-69935-7

Table 7.

Screening performance for the estimated AHI with respect to the reference AHI for the canonical screening thresholds for the hold-out set with and without the low rPPG quality recordings.

Recordings	Screening threshold	Participants above the threshold (#)	Sensitivity (%)	Specificity (%)	PPV (%)	Prevalence/Bias index⁶³	Cohen’s kappa (kappa max)⁶³	ROC AUC
All	AHI $\geq$ 5	173	72	71	84	0.27/0.10	0.39 (0.78)	0.80
	AHI $\geq$ 15	88	59	90	75	0.38/0.07	0.51 (0.82)	0.82
	AHI $\geq$ 30	39	41	98	80	0.77/0.07	0.49 (0.64)	0.84
Low rPPG quality recordings excluded	AHI $\geq$ 5	121	77	72	83	0.24/0.05	0.47 (0.90)	0.84
	AHI $\geq$ 15	60	62	91	75	0.42/0.06	0.55 (0.86)	0.86
	AHI $\geq$ 30	24	46	98	79	0.80/0.05	0.53 (0.71)	0.85