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Emergency Medicine · Pulmonology · Internal Medicine

CURB-65 calculator

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

Clinical inputs

Result

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Formula inputs

  • Confusion (new disorientation)
  • Urea >7 mmol/L (or BUN >19 mg/dL)
  • Respiratory rate ≥30/min
  • Systolic BP <90 or diastolic ≤60 mmHg
  • Age ≥65 years

Primary source

Lim WS et al. Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study. Thorax (2003)

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