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The Alvarado score was used for the clinical diagnosis of acute appendicitis [9]. This scoring system is in the public domain and does not require permission for academic use
RIF: right iliac fossa
| Alvarado scoring system - symptoms and signs | Score |
| Symptoms | |
| Migratory RIF pain | 1 |
| Anorexia | 1 |
| Nausea and vomiting | 1 |
| Signs | |
| Tenderness | 2 |
| Rebound tenderness | 1 |
| Elevated temperature | 1 |
| Laboratory findings | |
| Leucocytosis | 2 |
| Shift to the left (segmented neutrophils) | 1 |
