Randomized in error in pragmatic clinical trials
Tong G, Coronado G, Li C, Li F. Randomized in error in pragmatic clinical trials. Contemporary Clinical Trials 2024, 148: 107764. PMID: 39603383, DOI: 10.1016/j.cct.2024.107764.Peer-Reviewed Original ResearchPragmatic clinical trialsElectronic health record dataHealth record dataPatient-reported dataExclusion of participantsSelection biasPatients' medical recordsAverage treatment effectOutcomes of participantsUsual carePragmatic trialTreatment effectsIntervention effectsIntention-to-treatOutcomes frameworkPost-randomization exclusionsPotential outcomes frameworkRecord dataCovariate-adjusted estimatesMedical recordsParticipantsClinical trialsInterventionTrialsArm beingDoubly robust estimation and sensitivity analysis for marginal structural quantile models
Cheng C, Hu L, Li F. Doubly robust estimation and sensitivity analysis for marginal structural quantile models. Biometrics 2024, 80: ujae045. PMID: 38884127, DOI: 10.1093/biomtc/ujae045.Peer-Reviewed Original ResearchConceptsQuantile modelDistribution of potential outcomesEfficient influence functionPotential outcome distributionsDoubly robust estimatorsTime-varying treatmentsSequential ignorability assumptionSemiparametric frameworkIgnorability assumptionVariance estimationOutcome distributionInfluence functionRobust estimationPotential outcomesEfficient computationFunction approachTime-varying confoundersElectronic health record dataEstimationTreatment assignmentHealth record dataEffect of antihypertensive medicationEquationsRecord dataAntihypertensive medications