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) |