Journal of Clinical Epidemiology · 2005 · 137 citations · 28 references
EducationInternal MedicineClinical Classification SystemsHealth AssessmentRisk Factor AnalysisComorbid Medical ConditionsComorbidityComorbidity AssessmentHealth Status MeasurementMedical ComorbiditiesRisk ScoringCharlson Comorbidity IndexComorbidity AnalysisComorbidity IndicesComorbidity Measurement MethodologyDisease Burden Scoring
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Comorbidity Measures for Use with Administrative Data
Anne Elixhauser, Claudia Steiner, D.R. Harris et al. · Medical Care · 1998 · 9.9K citations
Education, Health Services Administration, Health Assessment +16
Validation of a combined comorbidity index
Mary E. Charlson, Ted P. Szatrowski, Janey C. Peterson et al. · Journal of Clinical Epidemiology · 1994 · 6.6K citations