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Table 4 Cut-off values and corresponding sensitivity and specificity

From: Risk of stroke-associated pneumonia during hospitalization: predictive ability of combined A2DS2 score and hyperglycemia

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

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