| Signs and symptoms | Score |
| Pain of the right iliac fossa | 1 |
| Anorexia | 1 |
| Nausea/vomiting | 1 |
| Temperature > 37.3˚C | 1 |
| Guarding of the right iliac fossa | 2 |
| Guarding on percussion | 1 |
| Hyperleukocytosis | 2 |
| Neutrophils > 75% | 1 |
| Total | 10 |