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Sensitivity and specificity of clinical evaluation versus CT scan in equivocal signs of appendicitis.
| Groups | False negative | False positive | True negative | True positive | Sensitivity | Specificity |
|---|---|---|---|---|---|---|
| No CT | 4 (2.3%) | 46 (26.7%) | 30 (0.6%) | 92 (53.5%) | 95.8% | 39.7% |
| CT | 3 (9.4%) | 0 | 5 (18.8%) | 23 (71.9%) | 88.4% | 100% |
