Table 4.

Cut-off values and corresponding sensitivity and specificity

Cut-off value	Modified A2DS2 score			Conventional A2DS2 score
	Sensitivity (%)	Specificity (%)	Youden index	Sensitivity (%)	Specificity (%)	Youden index
1	100.0	8.5	0.085	99.5	12.5	0.12
2	94.0	39.4	0.334	90.5	51.7	0.422
3	90.0	50.4	0.404	83.5	60.8	0.443
4	80.5	67.9	0.484	69.0	72.9	0.419
5	67.5	81.9	0.494	50.0	88.5	0.385
6	51.0	88.3	0.393	31.5	93.1	0.246
7	29.0	95.9	0.249	12.0	98.9	0.109
8	14.5	98.0	0.125	3.0	99.9	0.029
9	6.5	99.8	0.063	0.5	100.0	0.005
10	1.5	100.0	0.015	0.0	100.0	0

When the cut-off value was 4 points, the sensitivity and the specificity were 80.5 and 67.9%, respectively