Table 4 Diagnostic parameters of the risk score for various cut-off scores
Cut-off | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) |
|---|---|---|---|---|---|
≥4 | 93.4 | 29.9 | 50.3 | 85.7 | 57.3 |
≥5 | 87.8 | 46.1 | 55.3 | 83.3 | 64.1 |
≥6 | 82.0 | 56.1 | 58.7 | 80.4 | 67.3 |
≥7 | 69.2 | 69.9 | 63.6 | 74.9 | 69.6 |
≥8 | 58.7 | 80.3 | 69.4 | 71.9 | 71.0 |
≥9 | 46.0 | 86.8 | 72.6 | 67.9 | 69.2 |