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Calculator: CURB-65 pneumonia severity score


Calculator: CURB-65 pneumonia severity score

 

Confusion* (1 point)

Urea >20 mg/dL (7 mmol/L) (1 point)

Respiratory rate ≥30 breaths per minute (1 point)

Low systolic (<90 mmHg) or diastolic (≤60 mmHg) Blood pressure (1 point)

Age ≥65 years (1 point)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 

 

CURB-65 score

 
0 to 1 point: Low severity (risk of death <3%)
2 points: Moderate severity (risk of death 9%)
3 to 5 points: High severity (risk of death 15 to 40%)

 

 
*Defined as an Abbreviated Mental Test Score ≤8 or new disorientation to person, place, or time.
 
¶Urea is blood urea nitrogen [BUN], expressed in mg/dL or serum urea concentration, expressed in mmol/L.
 
For guidance regarding the use of the CURB-65 severity score to aid with the decision of the appropriate site of care for adults with community-acquired pneumonia, refer to the UpToDate topic review on this subject.

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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Topic 16316 Version 10.0