CURB and CRB-65 scores can be used in the hospital and out-patients setting to assess pneumonia severity and the risk of death.
|
Clinical factor |
Points |
|
Confusion |
1 |
|
Blood urea nitrogen > 19 mg per dL |
1 |
|
Respiratory rate > 30 breaths per minute |
1 |
|
Systolic blood pressure < 90 mm Hg or Diastolic blood pressure < 60 mm Hg |
1 |
|
Age > 65 years |
1 |
|
Total points: |
|
|
CURB-65 score |
Mortality (%) |
Recommendation |
|
0 |
0.6 |
Low risk; consider home treatment |
|
1 |
2.7 |
|
|
2 |
6.8 |
Short inpatient hospitalization or closely supervised outpatient treatment |
|
3 |
14.0 |
Severe pneumonia; hospitalize and consider admitting to intensive care |
|
4 or 5 |
27.8 |
|
CRB-65 score |
Mortality (%) |
Recommendation |
|
0 |
0.9 |
Very low risk of death; usually does not require hospitalization |
|
1 |
5.2 |
Increased risk of death; consider hospitalization |
|
2 |
12.0 |
|
|
3 or 4 |
31.2 |
High risk of death; urgent hospitalization |
CURB-65 = Confusion, Urea nitrogen, Respiratory rate, Blood pressure, 65 years of age and older.
CRB-65 = Confusion, Respiratory rate, Blood pressure, 65 years of age and older.
References:
- Aujesky D, Auble TE, Yealy DM, Stone RA, Obrosky DS, Meehan TP, Graff LG, Fine JM, Fine MJ. Prospective comparison of three validated prediction rules for prognosis in community-acquired pneumonia. Am J Med. 2005 Apr;118(4):384-92. [Medline]
- Lim WS, van der Eerden MM, Laing R, Boersma WG, Karalus N, Town GI, Lewis SA, Macfarlane JT. Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study. Thorax. 2003 May;58(5):377-82. [Medline]
Created: Mar 20, 2007
