Exam
Charlson Comorbidity Index
search
Charlson Comorbidity Index
, Comorbidity-Adjusted Life Expectancy
Indication
Assess whether a patient will live long enough to benefit from a specific screening measure or medical intervention
Scoring
Comorbidity Component (Apply 1 point to each unless otherwise noted)
Myocardial Infarction
Congestive Heart Failure
Peripheral Vascular Disease
Cerebrovascular Disease
Dementia
COPD
Connective Tissue Disease
Peptic Ulcer Disease
Diabetes Mellitus
(1 point uncomplicated, 2 points if end-organ damage)
Moderate to Severe
Chronic Kidney Disease
(2 points)
Hemiplegia
(2 points)
Leukemia
(2 points)
Malignant
Lymphoma
(2 points)
Solid Tumor (2 points, 6 points if metastatic)
Liver
Disease (1 point mild, 3 points if moderate to severe)
AIDS
(6 points)
Scoring
Age
Correction
Corrected 7/2014 (based on 1996 paper)
Age-based scoring starts at age 50 years (not age 40 years)
Scoring
Age <50 years: 0 points
Age 50-59 years: 1 points
Age 60-69 years: 2 points
Age 70-79 years: 3 points
Interpretation
Calculate Charlson Score or Index (i)
Add Comorbidity score to age score
Total denoted as 'i' below
Calculate Charlson Probablity (10 year mortality)
Calculate Y = e^(i * 0.9)
Calculate Z = 0.983^Y
where Z is the 10 year survival
References
Charlson (1987) J Chron Dis 40: 373–83 [PubMed]
Charlson (1994) J Clin Epidemiol 47(11): 1245–51 [PubMed]
Type your search phrase here