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Scores & Severity

Appendicitis Inflammatory Response (AIR) Score

Risk-stratifies suspected appendicitis from symptoms, signs and inflammatory markers (0–12).

Scope: Decision aid only — does not replace serial examination, imaging, or surgical assessment.

Inputs

FieldUnitNotes
Vomiting
Right iliac fossa pain
Rebound tenderness / guarding
Temperature ≥38.5°C
Polymorphonuclear leukocytes
WBC count
CRP

FAQ

What is the Appendicitis Inflammatory Response (AIR) Score?

Risk-stratifies suspected appendicitis from symptoms, signs and inflammatory markers (0–12).

What inputs does the Appendicitis Inflammatory Response (AIR) Score need?

Vomiting, Right iliac fossa pain, Rebound tenderness / guarding, Temperature ≥38.5°C, Polymorphonuclear leukocytes, WBC count, CRP.

Are there any limitations?

Decision aid only — does not replace serial examination, imaging, or surgical assessment.

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