Acute pancreatitis: 31-Year trends in incidence and mortality – A Danish population-based 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 · 49.9K citations

Public Health, Biostatistics, Clinical Classification Systems +15

The Danish Civil Registration System

Carsten Bøcker Pedersen · Scandinavian Journal of Public Health · 2011 · 4.7K citations

Social Sciences, Demography, Family Demography +13

IAP/APA evidence-based guidelines for the management of acute pancreatitis

Pancreatology · 2013 · 2K citations · Full text

Medicine, Internal Medicine, Acute Care Medicine +13

The predictive value of ICD-10 diagnostic coding used to assess Charlson comorbidity index conditions in the population-based Danish National Registry of Patients

Sandra Kruchov Thygesen, Christian Fynbo Christiansen, Steffen Christensen et al. · BMC Medical Research Methodology · 2011 · 1.2K citations · Full text

Medicine, Internal Medicine, Clinical Classification Systems +14

Gender and alcohol consumption: patterns from the multinational GENACIS project

Richard W. Wilsnack, Sharon C. Wilsnack, Arlinda F. Kristjanson et al. · Addiction · 2009 · 733 citations · Full text

Public Health, Population Health Sciences, Sociology +11