CURB-65 Pneumonia Severity Calculator

Calculate the CURB-65 score to assess community-acquired pneumonia severity and guide hospital admission decisions.

Confusion (new-onset disorientation)

BUN >19 mg/dL or Urea >7 mmol/L

Respiratory Rate ≥30 /min

Systolic BP <90 mmHg or Diastolic BP ≤60 mmHg

Age ≥65 years

How to Use the CURB-65 Calculator

Select 'Yes' if the patient has new-onset confusion.
Select 'Yes' if blood urea nitrogen >19 mg/dL (or urea >7 mmol/L).
Select 'Yes' if respiratory rate ≥30/min.
Select 'Yes' if SBP <90 or DBP ≤60 mmHg.
Select 'Yes' if age ≥65 years.

Anwendungsfälle

•Triaging community-acquired pneumonia severity.
•Guiding inpatient vs outpatient treatment decisions.
•Identifying patients needing ICU-level care.

Formel

CURB-65: Confusion(1) + Urea>7 mmol/L(1) + RR≥30/min(1) + BP<90/60 mmHg(1) + Age≥65(1). Score 0–5.

Häufig gestellte Fragen

What is the CURB-65 score?

CURB-65 is a clinical score used to assess the severity of community-acquired pneumonia (CAP) and guide decisions about hospital admission. Each letter represents a criterion.

How is CURB-65 interpreted?

Score 0–1: Low severity — consider outpatient treatment. Score 2: Moderate — consider hospital admission. Score 3–5: Severe — consider ICU admission. 30-day mortality increases with score.

Medical disclaimer

This calculator is for educational purposes only. It does not replace professional medical evaluation. Always consult a qualified healthcare provider for clinical decisions.