Research Article
Clinical Prediction Score for Ruptured Appendicitis in ED
Table 3
Probability categories in the RAMA WeRA Risk Score.
| Probability categories | Score | Ruptured (+) (n = 77) | Nonruptured (−) (n = 403) | Sens | Spec | PPV | NPV | LHR+ | 95% CI | value | n | % | n | % |
| Low | <2 | 0 | 0 | 45 | 11.17 | — | 88.8 | — | 82.3 | 0 | — | <0.001 | Moderate | 2–6 | 31 | 40.26 | 296 | 73.45 | 40.3 | 26.6 | 9.5 | 70 | 0.55 | 0.41–0.72 | <0.001 | High | >6 | 46 | 59.74 | 62 | 15.38 | 59.7 | 84.6 | 38.9 | 91.7 | 3.88 | 2.90–5.21 | <0.001 |
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