CURB-65 Score for Pneumonia Severity

    Assesses the severity of community-acquired pneumonia to help guide management decisions, such as the site of care (outpatient vs. inpatient).

    FOR PROFESSIONAL USE ONLY

    This calculator is a support tool intended exclusively for health professionals. It does not replace clinical judgment. The final decision regarding diagnosis and treatment is the sole responsibility of the professional.

    Pulmonology

    Patient Data

    Result

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    Reference Values

    • • Score 0-1: Low risk (mortality < 3%). Consider outpatient treatment.
    • • Score 2: Moderate risk (mortality 9%). Consider hospital admission.
    • • Score 3-5: High risk (mortality 15-40%). Urgent hospital admission required; consider ICU.

    Formula

    1 point for each criterion: Confusion, Urea > 7 mmol/L, Respiratory rate ≥ 30, low Blood pressure, Age ≥ 65.

    Reference

    Lim WS, van der Eerden MM, Laing R, et al. Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study. Thorax. 2003;58(5):377-382.

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