Validation of a combined comorbidity index

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

Multifactorial Index of Cardiac Risk in Noncardiac Surgical Procedures

Lee Goldman, D. L. CALDERA, Samuel R. Nussbaum et al. · New England Journal of Medicine · 1977 · 2.8K citations

Medicine, Cardiology, Surgery +14

The importance of classifying initial co-morbidity in evaluating the outcome of diabetes mellitus

Moreson H. Kaplan, Alvan R. Feinstein · Journal of Chronic Diseases · 1974 · 683 citations

Medicine, Endocrinology, Internal Medicine +10

Predicting Survival in Adults with End-Stage Renal Disease: An Age Equivalence Index

Tom A. Hutchinson · Annals of Internal Medicine · 1982 · 164 citations

Public Health, Biostatistics, Nephrology +14

The Preoperative and Intraoperative Hemodynamic Predictors of Postoperative Myocardial Infarction or Ischemia in Patients Undergoing Noncardiac Surgery

Mary E. Charlson, C. Ronald MacKenzie, Jeffrey P. Gold et al. · Annals of Surgery · 1989 · 117 citations

Medicine, Perioperative Medicine, Surgery +10