CURB-65 Score Calculator

Calculate the CURB-65 score to assess pneumonia severity and guide decisions about hospital admission and antibiotic treatment according to UK guidelines.

Important Clinical Disclaimer: The CURB-65 Calculator is intended for use by qualified healthcare professionals only. It is for educational and informational purposes and should not replace clinical judgement. Always interpret results alongside the full clinical picture and follow your local guidelines and protocols.

CURB-65 Score

Recommended Management

Antibiotic Guidance

About CURB-65 Score

The CURB-65 score is a clinical prediction rule used to determine the severity of community-acquired pneumonia and likely mortality. It was developed by the British Thoracic Society and is widely used in the UK and internationally.

Components:

  • Confusion: New onset confusion, disorientation, or AMT score ≤ 8
  • Urea: Blood urea nitrogen > 7 mmol/L (19 mg/dL)
  • Respiratory rate: ≥ 30 breaths per minute
  • Blood pressure: Systolic BP < 90 mmHg or Diastolic BP ≤ 60 mmHg
  • 65: Age ≥ 65 years

Interpretation:

Score Risk Group 30-day Mortality Recommended Management
0 Low 0.6% Consider home treatment
1 Low 2.7% Consider home treatment
2 Moderate 6.8% Short inpatient hospitalization or supervised outpatient treatment
3 Severe 14.0% Hospitalize and consider ICU assessment
4-5 Very Severe 27.8% - 57.0% Hospitalize and consider ICU admission

Note: This calculator is intended for healthcare professionals. Clinical judgment should always be used alongside the CURB-65 score when making decisions about patient management. Follow your local antimicrobial guidelines for specific antibiotic recommendations.

Disclaimer

This calculator is provided for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

  • Always seek the advice of a qualified healthcare provider with any questions regarding a medical condition.
  • Never disregard professional medical advice or delay seeking it because of information from this tool.
  • Clinical decision-making should always incorporate the full clinical context, patient preferences, and local protocols.
  • The creators of this tool accept no liability for decisions made based on its output.

If you are a patient: please discuss any results with your healthcare provider. This tool is designed for use by medical professionals and may not be appropriate for self-assessment.