Table 2.

Predictive parameters of the four screening tools at AHI ≥ 5 events/h.

	No-Apnea	STOP-Bang	NoSAS	GOAL
Sensitivity	0.84 (0.80–0.88)	0.95 (0.91–0.97)	0.75 (0.70–0.79)	0.96 (0.93–0.98)
Specificity	0.69 (0.58–0.78)	0.84 (0.75–0.91)	0.92 (0.84–0.97)	0.78 (0.67–0.85)
PPV	0.91 (0.87–0.94)	0.96 (0.93–0.97)	0.97 (0.94–0.99)	0.94 (0.91–0.96)
NPV	0.55 (0.45–0.64)	0.82 (0.72–0.89)	0.50 (0.42–0.58)	0.84 (0.74–0.91)
+ LR	2.68 (1.97–3.66)	6.02 (3.72–9.74)	9.51 (4.66–19.41)	4.27 (2.90–6.28)
− LR	0.23 (0.17–0.30)	0.06 (0.04–0.10)	0.27 (0.23–0.33)	0.05 (0.03–0.09)
AUC (95% CI)	0.86 (0.81–0.90)	0.94 (0.92–0.97)	0.91 (0.87–0.94)	0.90 (0.86–0.94)

AHI apnea hypopnea index, PPV positive predictive value, NPV negative predictive value, + LR positive likelihood ratio, − LR negative likelihood ratio, AUC area under the curve.

Data are presented as values (95% confidence intervals).