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PS is the probability of tx assignment based on baseline covariates. b/c PS idea mimics an RCT, researchers've extensively used.
used PS with caution instead of banning is a solution. In the next tweets, I’m going to specify some critics on PS methods.1/
used PS with caution instead of banning is a solution. In the next tweets, I’m going to specify some critics on PS methods.1/
@CMichaelGibson @KalayciArzu @venkmurthy @raj_mehta @MaartenvSmeden @ADAlthousePhD @drjohnm @SABOURETCardio @bogdienache @boback
A PS is defined as the probability of a patient being assigned to an intervention, given a set of covariates. PS summarizes all patient characteristics into a single covariate. Then, all patients have calculated PS using covariates.2/ 
