2024
Doubly 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
2018
Sample Size Determination for GEE Analyses of Stepped Wedge Cluster Randomized Trials
Li F, Turner EL, Preisser JS. Sample Size Determination for GEE Analyses of Stepped Wedge Cluster Randomized Trials. Biometrics 2018, 74: 1450-1458. PMID: 29921006, PMCID: PMC6461045, DOI: 10.1111/biom.12918.Peer-Reviewed Original Research