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Pulmonology · Emergency Medicine

Ottawa COPD Risk Scale calculator

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

Clinical inputs

Result

0

COPD Band Low

Interpret only within the cited source population and criteria; use alongside complete clinical assessment.

Formula inputs

  • COPD Age ≥ 65
  • COPD Previous Hospitalization
  • COPD Hematocrit < 35
  • COPD History Of Ed
  • COPD Pulse ≥ 110
  • COPD Respiratory Rate ≥ 24
  • COPD Systolic blood pressure < 100
  • COPD Altered Mental Status
  • COPD Hemoglobin < 10

Primary source

Stiell IG et al. Clinical characteristics associated with adverse events in patients with COPD exacerbation. CJEM. DOI: 10.2310/8000.2014.141375. PMID: 25060088. Scope: Ottawa COPD Risk Scale counts nine clinical predictors (1 point each) of serious adverse events within 30 days of ED COPD exacerbation. (2014)

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