2024
Estimates of intra-cluster correlation coefficients from 2018 USA Medicare data to inform the design of cluster randomized trials in Alzheimer’s and related dementias
Ouyang Y, Li F, Li X, Bynum J, Mor V, Taljaard M. Estimates of intra-cluster correlation coefficients from 2018 USA Medicare data to inform the design of cluster randomized trials in Alzheimer’s and related dementias. Trials 2024, 25: 732. PMID: 39478608, PMCID: PMC11523597, DOI: 10.1186/s13063-024-08404-2.Peer-Reviewed Original ResearchConceptsIntra-cluster correlation coefficientIntra-cluster correlation coefficient estimationSample size calculationED visitsMedicare dataMedicare fee-for-service beneficiariesEmergency departmentFee-for-service beneficiariesSize calculationDiagnosis of ADRDNational Medicare dataCluster randomized trialHospital referral regionsHospital service areasHealth care systemBackgroundCluster randomized trialsPopulation-level dataRandomized trialsDesign of cluster randomized trialsEvaluate interventionsReferral regionsCare systemICC estimatesADRDCorrelation coefficient
2020
Statistical Considerations for Embedded Pragmatic Clinical Trials in People Living with Dementia
Allore HG, Goldfeld KS, Gutman R, Li F, Monin JK, Taljaard M, Travison TG. Statistical Considerations for Embedded Pragmatic Clinical Trials in People Living with Dementia. Journal Of The American Geriatrics Society 2020, 68: s68-s73. PMID: 32589276, PMCID: PMC7396162, DOI: 10.1111/jgs.16616.Peer-Reviewed Original ResearchConceptsEmbedded Pragmatic Clinical TrialsPragmatic clinical trialsClinical trialsAlzheimer's diseaseImbedded Pragmatic Alzheimer's DiseaseIMPACT CollaboratoryOutcome ascertainmentPoint of careNonpharmacological interventionsReal-world settingComplex interventionsTrialsIntervention effectivenessVulnerable populationsPragmatic designHealthcare systemNational InstituteClinical scientistsSuch interventionsInterventionDementiaPLWDDiseaseCaregiversResearch priorities