Kocher Criteria (Pediatric Hip)
Each item +1 (max 4): inability to bear weight, fever ≥38.5°C, ESR ≥40 mm/h, WBC ≥12,000/mm³.
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How it works
Kocher and colleagues (1999) described four bedside and laboratory predictors to stratify children with acute hip pain for likelihood of septic arthritis versus transient synovitis.
Limits
Sensitivity/specificity varies across populations; CRP, ultrasound, and hip aspiration criteria are not modeled. Some authors propose adding CRP to improve discrimination. Do not delay sepsis care when suspicion is high.
Educational tool only—not for diagnosis or treatment decisions.