Cut-off score

Specificity

Sensitivity

Positive Predictive Value

Negative Predictive Value

False Positive Results

5 or above

70.67%

72%

88.33%

45.00%

7% (n = 7)

6 or above

54.67%

92%

95.35%

40.35%

2% (n = 2)

7 or above

33.33%

96%

96.15%

32.43%

1% (n = 1)