RespCritical Care
Community-Acquired Pneumonia Severity
Stratifies severity of community-acquired pneumonia. Score ≥3 warrants HDU/ICU consideration.
Confusion — new onset (AMTS ≤ 8)
Urea > 7 mmol/L (or BUN > 20 mg/dL)
Respiratory rate ≥ 30/min
Blood pressure: systolic < 90 or diastolic ≤ 60 mmHg
Age ≥ 65 years
0
CURB-65/ 5
Low severity
Consider home treatment (30-day mortality ~2%)
Reference: Lim WS et al. Thorax 2003
Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: Lim WS et al. Thorax 2003.