Adaptation and validation of the Charlson Index for Read/OXMIS coded databases

The Measurement of Observer Agreement for Categorical Data

J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 76.3K citations · Full text

Engineering, Generalizability Theory, Diagnosis +20

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · Journal of Chronic Diseases · 1987 · 48.8K citations

Prognostic Assessment, Longitudinal Studies, Prognostic Comorbidity +11

Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases

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Primary Care, Psychiatry, Health Policy +13

Validation of a combined comorbidity index

Mary E. Charlson, Ted P. Szatrowski, Janey C. Peterson et al. · Journal of Clinical Epidemiology · 1994 · 6.4K citations

Psychiatry, Combined Comorbidity Index, Comorbid Psychiatric Disorder +6

Rating chronic medical illness burden in geropsychiatric practice and research: Application of the Cumulative Illness Rating Scale

Mark D. Miller, Cynthia F. Paradis, Patricia R. Houck et al. · Psychiatry Research · 1992 · 2K citations

Family Medicine, Disease Management, Chronic Disease Management +9