Table 5.

Diagnostic characteristics of obstructive sleep apnea prediction tools with 95% confidence intervals in validation group 2

	OSUNet	MNC	STOP-BANG
Sensitivity	0.70 (0.57–0.82)*	0.93 (0.83–0.98)	0.97 (0.88–0.99)
Specificity	0.79 (0.64–0.90)*	0.44 (0.29–0.60)	0.30 (0.17–0.46)
PPV	0.82 (0.68–0.91)*	0.69 (0.57–0.79)	0.65 (0.54–0.75)
NPV	0.68 (0.52–0.79)	0.83 (0.61–0.95)	0.87 (0.60–0.98)
Positive LR	3.35 (1.83–6.14)*	1.67 (1.27–2.19)	1.38 (1.13–1.69)
Negative LR	0.38 (0.25–0.58)	0.16 (0.06–0.43)	0.12 (0.03–0.49)

Definition of abbreviations: LR, likelihood ratio; MNC, modified neck circumference; NPV, negative predictive value; PPV, positive predictive value; STOP-BANG, Snoring, Tiredness, being Observed to stop breathing during sleep, high blood Pressure, Body mass index greater than 35 kg/m², Age greater than 50 years, Neck circumference greater than 40 cm, and male Gender.

Note: n = 100.

^*Significantly different compared with MNC and STOP-BANG.