Analysis of Clostridium difficile infections after cardiac surgery: Epidemiologic and economic implications from national data

The central role of the propensity score in observational studies for causal effects

Paul R. Rosenbaum, Donald B. Rubin · Biometrika · 1983 · 31K citations · Full text

Public Health, Biostatistics, Causal Inference +16

Coding Algorithms for Defining Comorbidities in ICD-9-CM and ICD-10 Administrative Data

Hude Quan, Vijaya Sundararajan, Patricia Halfon et al. · Medical Care · 2005 · 10.6K citations

Health Professions, Internal Medicine, Clinical Classification Systems +16

Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases

Richard A. Deyo · Journal of Clinical Epidemiology · 1992 · 10.5K citations

Education, Health Informatics, Clinical Classification Systems +12

Constructing a Control Group Using Multivariate Matched Sampling Methods That Incorporate the Propensity Score

Paul R. Rosenbaum, Donald B. Rubin · The American Statistician · 1985 · 4.8K citations

Public Health, Biostatistics, Psychology +14

Constructing a Control Group Using Multivariate Matched Sampling Methods That Incorporate the Propensity Score

Paul R. Rosenbaum, Donald B. Rubin · The American Statistician · 1985 · 4.3K citations

Public Health, Biostatistics, Psychology +14