Influence of race and gender on care process, resource use, and hospital-based outcomes in congestive heart failure

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 · 49.9K citations

Public Health, Biostatistics, Clinical Classification Systems +15

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

Education, Health Sciences, Internal Medicine +12

The epidemiology of heart failure: The Framingham Study

Kalon K.L. Ho, Joan L. Pinsky, William B. Kannel et al. · Journal of the American College of Cardiology · 1993 · 2.3K citations

Medicine, Cardiology, Internal Medicine +12

Readmission After Hospitalization for Congestive Heart Failure Among Medicare Beneficiaries

Harlan M. Krumholz · Archives of Internal Medicine · 1997 · 820 citations

Medicine, Cardiology, Internal Medicine +14

Economic impact of heart failure in the United States: time for a different approach.

J. B. O'Connell, Michael R. Bristow · PubMed · 1994 · 659 citations

Pharmacy, Economics, Pharmacoeconomics +16