Risk of deep venous thrombosis and pulmonary embolism in individuals with polymyositis and dermatomyositis: a general population-based 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 · 49.9K citations

Public Health, Biostatistics, Clinical Classification Systems +15

Regression Models and Life-Tables

D. R. Cox · Journal of the Royal Statistical Society Series B (Statistical Methodology) · 1972 · 39.3K citations · Full text

Public Health, Biostatistics, Hazard Identification +16

The Long-Term Clinical Course of Acute Deep Venous Thrombosis

P. Prandoni · Annals of Internal Medicine · 1996 · 2.1K citations

Medicine, Hematology, Internal Medicine +16

Presentation adapting a clinical comorbidity index for use with ICD-9-CM administrative data: Differing perspectives

Patrick S. Romano, Leslíe L. Roos, James G. Jollis · Journal of Clinical Epidemiology · 1993 · 1.7K citations

Health Professions, Health Sciences, Clinical Classification Systems +13

Competing Risk Regression Models for Epidemiologic Data

Bonnie Lau, Stephen R. Cole, Stephen J. Gange · American Journal of Epidemiology · 2009 · 1.4K citations · Full text

Public Health, Biostatistics, Epidemiologic Methods +16