AIR Score Calculator Sponsored Advertising placement Appendicitis Inflammatory Response (AIR) Score Clinical Decision Tool Estimates appendicitis probability using symptoms, examination findings and inflammatory markers. Vomiting No 0 Yes (+1) +1 Right iliac fossa pain No 0 Yes (+1) +1 Muscular defence / rebound tenderness None 0 Light +1 Medium +2 Strong +3 Temperature ≥38.5°C No 0 Yes (+1) +1 Polymorphonuclear neutrophils <70% 0 70–84% +1 ≥85% +2 WBC (×10⁹/L) <10 0 10–14.9 +1 ≥15 +2 CRP (mg/L) <10 0 10–49 +1 ≥50 +2 Calculate Appendicitis Inflammatory Response (AIR) Score Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Sponsored Advertising placement
