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Alvarado Scoring system
| Component | Score | |
|---|---|---|
| Symptoms | Migration of pain | 1 |
| Anorexia | 1 | |
| Nausea and/or vomiting | 1 | |
|
| ||
| Signs | Right lower quadrant tenderness | 2 |
| Rebound | 1 | |
| Elevation of temperature ≥37.3°C | 1 | |
|
| ||
| Laboratory | Leukocytosis ≥10 ×103/mm3 | 2 |
| Polymorphonuclear neutrophilia ≥75% | 1 | |
|
| ||
| Total | 10 | |
