Cut-off score

Specificity

Sensitivity

Positive Predictive Value

Negative Predictive Value

False Positive

Rate

5 or over

80%

92%

96.77%

60.53%

2% (n = 2)

6 or over

70.67%

96%

98.15%

52.17%

1% (n = 1)

7 or over

41.33%

100%

100%

36.23%

0%