Stage 3: Estimating Readmission Outcomes
readmissions
REGRESSION
In the third stage of the reanalysis, we fit regression models to decreasing fractions of the study population representing the distilled subsets to assess differences in outcomes between intervention and control group patients as the sample was sequentially concentrated by excluding patients from both trial arms with lower probabilities of engaged participation. We studied readmission rates and the average number of readmissions at 30, 90, and 180 days after patients’ index discharge dates controlling for key covariates (eAppendix 3 in 