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  CURB65 Community Acquired Pneumonia severity score  

Confusion present Yes (+1)
BUN > 7 mmol/L (19 mg/dL) Yes (+1)
Respiratory Rate ≥ 30 Yes (+1)
Systolic BP < 90 mmHg
OR
Diastolic BP ≤ 60 mmHg		 Yes (+1)
Age > 65 Yes (+1)
CURB65 Score (points)

Score Interpretation:

Calculation(s) used

CURB-65 scoring: A point is given for each category with a "yes" answer and the result is the total sum of the points for each question.

Interpretation

CURB-65 Score 30-day mortality risk
0 - 1 Low risk
(0.6% probability, 30-day mortality)
2 Moderate risk
(2.7% probability, 30-day mortality)
3 Severe risk
(14% probability, 30-day mortality)
4 and >4 Highest risk
(27.8% probability, 30-day mortality)

  
References
1. Lim WS, Lewis S, Macfarlane JT. Severity prediction rules in community acquired pneumonia: a validation study. Thorax. 2000 Mar;55(3):219-23.

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