Power calculation for cross-sectional stepped wedge cluster randomized trials with a time-to-event endpoint
Baumann M, Esserman D, Taljaard M, Li F. Power calculation for cross-sectional stepped wedge cluster randomized trials with a time-to-event endpoint. Biometrics 2025, 81: ujaf074. PMID: 40557765, PMCID: PMC12188223, DOI: 10.1093/biomtc/ujaf074.Peer-Reviewed Original ResearchMeSH KeywordsBiometryCluster AnalysisComputer SimulationCross-Sectional StudiesEndpoint DeterminationHumansProportional Hazards ModelsRandomized Controlled Trials as TopicConceptsSW-CRTsCluster randomized trialStepped wedge cluster randomized trialTime-to-event endpointsTime-to-event outcomesRobust sandwich varianceMarginal Cox modelSandwich varianceWithin-periodElectronic reminder systemSW-CRTRandomized trialsBinary outcomesPower calculationsPower formulaReminder systemR Shiny applicationHospital settingCorrelation parametersSample sizePlanned trialsCox modelWaldFormulaTrialsPrioritizing attributes of approaches to analyzing patient-centered outcomes that are truncated due to death in critical care clinical trials: a Delphi study
Bahti M, Kahan B, Li F, Harhay M, Auriemma C. Prioritizing attributes of approaches to analyzing patient-centered outcomes that are truncated due to death in critical care clinical trials: a Delphi study. Trials 2025, 26: 15. PMID: 39794867, PMCID: PMC11721323, DOI: 10.1186/s13063-024-08673-x.Peer-Reviewed Original ResearchConceptsCritical care clinical trialsPatient-centerednessDelphi roundsConsensus thresholdModified Delphi processCritical care trialsPatient-centered outcomesInvited individualsCare trialsExperience expertsDelphi processDelphi panelDelphi studyClinical trialsResearch teamResponse rateResultsThirty-oneClinical relevancePersonal experienceTrialsRespondentsCritical attributesDeathOutcomesAnalysis approach
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