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| Category | Variable | Score |
| Symptoms | Migratory right iliac fossa pain | 1 |
| Anorexia | 1 | |
| Nausea/Vomiting | 1 | |
| Signs | Right iliac fossa pain (RIF) | 2 |
| Rebound tenderness in RIF | 1 | |
| Elevated temperature (>37.5) | 1 | |
| Investigation | Leukocytosis (>10,000 WBC per microliter) | 2 |
| Total Score | 9 |
