CURB-65/CRB-65 Score for Pneumonia
Decision rules to help determine outpatient vs. inpatient treatment for pneumonia.
Clinical Features:
absentpresent <-- Confusion
less than/equal to 19 mg per dL (6.8 mmol per L)greater 19 mg per dL (6.8 mmol per L)not obtained <-- Blood Urea Nitrogen
less than 30 breaths per minutegreater than/equal to 30 breaths per minute <-- Respiratory rate
systolic greater than/equal to 90 and diastolic greater than 60systolic less than 90 or diastolic less than/equal to 60 <-- Blood pressure
less than 65greater than/equal to 65 <-- Age
Result --> scorescore=(confusion)+(BUN)+(respiration)+(BP)+(age);score>13?'CRB-65 = 4: High risk of death; urgent hospitalization':score>12?'CRB-65 = 3: High risk of death; urgent hospitalization, consider ICU; mortality rate 18.9 percent':score>11?'CRB-65 = 2: Increased risk of death; consider hospitalization; mortality rate 5.1 percent':score>10?'CRB-65 = 1: Increased risk of death; consider hospitalization; mortality rate 5.1 percent':score>9?'CRB-65 = 0: Very low risk of death; usually does not require hospitalization; mortality rate 0.5 percent':score>4?'CURB-65 = 5: Severe pneumonia; hospitalize and consider admitting to intensive care':score>3?'CURB-65 = 4: Severe pneumonia; hospitalize and consider admitting to intensive care':score>2?'CURB-65 = 3: Severe pneumonia; hospitalize and consider admitting to intensive care':score>1?'CURB-65 = 2: Short inpatient hospitalization or closely-supervised outpatient treatment':score>0?'CURB-65 = 1: Low risk; consider home treatment':'CURB-65 = 0: Low risk; consider home treatment'
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reference:
#1 Am Fam Physician. 2006 Apr 15;73(8):1425-1428

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