Table 3

Hear check Test	Abnormal screening audiometrya		Likelihood ratio for “+” test	Likelihood ratio for “-“ test	Sensitivity	Specificity	Positive Predictive value	Negative Predictive value	Accuracy
Hear check Test	+	-	Likelihood ratio for “+” test	Likelihood ratio for “-“ test	Sensitivity	Specificity	Positive Predictive value	Negative Predictive value	Accuracy
Red	3	3	23.2(4.8-110.5)	0.9(0.82-1.017)	0.091(0.03-0.236)	0.996(0.989-0.999)	0.5(0.188-0.812)	0.962(0.946-0.973)	95.9%
Yellow	6	17	7.637(3.204-18.205)	0.852(0.736-0.986)	0.167(0.079-0.319)	0.978(0.965-0.986)	0.261(0.125-0.465)	0.962(0.946-0.973)	94.2%
Green	30	762	-	-	-	-	-	-

^aAbnormal screening audiometry findings is defined as any one or more finding of threshold greater the 40 dbHL for pure tones at any of the frequencies 500, 1000 and 2000 Hz

Table 3: Accuracy of the hearing screener in detecting abnormal hearing threshold.