Clinical evidence
Symptoms (1 pt each): migratory RLQ pain, anorexia, nausea/vomiting. Signs (2 pt each): RLQ tenderness, rebound tenderness, fever ≥37.3°C. Labs: WBC >10k (2 pt), left shift >75% (1 pt).
- Sensitivity 81–85%, specificity 74–85%
- PPV 92% for score ≥7
- NPV 93% for score <4
- Most accurate in young adult males
- Alvarado A. Ann Emerg Med 1986;15:557-64
- Ohle R et al. (2011) — systematic review
- WSES Jerusalem guidelines (2016)
Alvarado A. Ann Emerg Med 1986;15:557-64