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Kocher Criteria for Septic Arthritis calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

0

Kocher septic arthritis score total

Neutral numeric output only; no authorized clinical risk band is assigned. Interpret in the cited source population and clinical context.

Formula inputs

  • fever
  • non weight bearing
  • esr ge 40
  • wbc gt 12

Primary source

Kocher MS et al. Differentiating between septic arthritis and transient synovitis of the hip in children: an evidence-based clinical prediction algorithm. J Bone Joint Surg Am. DOI: 10.2106/00004623-200404000-00008. PMID: 15069139. Scope: Kocher score (0–4) counts non–weight-bearing, fever, ESR ≥40 mm/h, and WBC >12×10⁹/L for pediatric hip septic arthritis risk stratification. (2004)

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