Validation of the Charlson Comorbidity Index in Acutely Hospitalized Elderly Adults: A Prospective Cohort Study

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

STUDIES OF ILLNESS IN THE AGED. THE INDEX OF ADL: A STANDARDIZED MEASURE OF BIOLOGICAL AND PSYCHOSOCIAL FUNCTION.

Sidney Katz · PubMed · 1963 · 11.9K citations

Updating and Validating the Charlson Comorbidity Index and Score for Risk Adjustment in Hospital Discharge Abstracts Using Data From 6 Countries

Hude Quan, Bing Li, Chantal Marie Couris et al. · American Journal of Epidemiology · 2011 · 5.6K citations · Full text

Logistic Analysis, Charlson Score, Hospital Medicine +20

CUMULATIVE ILLNESS RATING SCALE

Bernard S. Linn, Margaret W. Linn, Lee Gurel · Journal of the American Geriatrics Society · 1968 · 2.3K citations

Physical Impairment, Reliable Instrument, Health Studies +17

Prognosis and prognostic research: what, why, and how?

Karel G.M. Moons, Patrick Royston, Yvonne Vergouwe et al. · BMJ · 2009 · 1.3K citations

Clinical Decision-making, Patient Selection, Prognosis +17