The CRB-65 is a shortened version of the CURB-65 score for community-acquired pneumonia. It is suitable in a community setting where laboratory testing is not readily available.
CRB-65 does not include urea > 7 mmol/L used in the CURB-65.
Patient selection: adult with community-acquired pneumonia (CAP)
Parameters:
(1) confusion
(2) respiratory rate
(3) blood pressure
(4) age
Parameters
Findings
Points
confusion
absent
0
present
1
respiratory rate
< 30 per minute
0
>= 30 per minute
1
blood pressure
normal or elevated
0
hypotension
1
age
< 65 years of age
0
>= 65 years of age
1
score =
= SUM(points for all 4 parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
• The higher the score the more severe the pneumonia.
CRB-65
30-Day Mortality
0
0
1
4%
2
19%
3
44%
4
55%
after Table 2 page 153
To read more or access our algorithms and calculators, please log in or register.
