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Sensitivity, specificity, and probability analysis of the scoring system.
| Category | Total score | Sensitivity (%) | Specificity (%) | Probability (%) |
|---|---|---|---|---|
| Low risk | –1 | 100 | 0 | 8.91 |
| 0 | 100 | 3.6 | 15.29 | |
| 1 | 97.7 | 13.9 | 24.98 | |
| 2 | 94.0 | 37.8 | 38.06 | |
| High risk | 3 | 81.3 | 62.9 | 53.13 |
| 4 | 69.0 | 80.9 | 67.66 | |
| 5 | 51.7 | 90.8 | 79.43 | |
| 6 | 37.5 | 95.2 | 87.69 | |
| 7 | 22.4 | 98.4 | 92.93 | |
| 8 | 15.9 | 98.8 | 96.04 | |
| 9 | 9.4 | 99.2 | 97.82 |
