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Martí H, Pérez-Bárcena J, Fiol M, Marrugat J, Navarro C, Aldasoro E, Cabadés A, Segura A, Masiá R, Turumbay J, Cirera L, Arteagoitia JM, Tomás CA, Vega G, Sala J, de Los Arcos E, Tormo MJ, Hurtado-de-Saracho I, Francés-Sempere M, Elosua R
[Analysis with the propensity score of the association between likelihood of treatment and event of interest in observational studies. An example with myocardial reperfusion].
Rev Esp Cardiol. 2005 Feb;58(2):126-36, PMID: 15743558
Analysis of the effect of treatment in observational studies is complex due to differences between treated and nontreated patients. Calculating the probability of receiving treatment conditioned on relevant covariates (propensity score [PS]) has been proposed as a method to control for these differences. We report an application of PS to assess the association between reperfusion treatment and 28-day case fatality in patients with acute myocardial infarction (AMI).
CARDIAC & CARDIOVASCULAR SYSTEMS
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