2023
Excess Mortality Among Patients in the Veterans Affairs Health System Compared With the Overall US Population During the First Year of the COVID-19 Pandemic
Weinberger D, Rose L, Rentsch C, Asch S, Columbo J, King J, Korves C, Lucas B, Taub C, Young-Xu Y, Vashi A, Davies L, Justice A. Excess Mortality Among Patients in the Veterans Affairs Health System Compared With the Overall US Population During the First Year of the COVID-19 Pandemic. JAMA Network Open 2023, 6: e2312140. PMID: 37155169, PMCID: PMC10167568, DOI: 10.1001/jamanetworkopen.2023.12140.Peer-Reviewed Original ResearchConceptsGeneral US populationVA health care systemHealth care systemComprehensive medical careOverall US populationRate of deathVA populationUS populationDeath rateCohort studyExcess mortalityCare systemCOVID-19 pandemicMedical careVeterans Affairs Health Care SystemVeterans Affairs Health SystemHealth systemVA health systemFirst yearVA health careStandardized mortality rateAdult age groupsVA enrolleesMAIN OUTCOMEGeneral population
2014
Combining Epidemiologic and Biostatistical Tools to Enhance Variable Selection in HIV Cohort Analyses
Rentsch C, Bebu I, Guest JL, Rimland D, Agan BK, Marconi V. Combining Epidemiologic and Biostatistical Tools to Enhance Variable Selection in HIV Cohort Analyses. PLOS ONE 2014, 9: e87352. PMID: 24489902, PMCID: PMC3906149, DOI: 10.1371/journal.pone.0087352.Peer-Reviewed Original ResearchConceptsVariable selectionVariable selection approachSignificance testsParsimonious modelInformation theoryBayesian argumentInformation criterionPosterior probabilityBiostatistical proceduresAveraging modelBiostatistical toolsThird methodSelection procedureBest fitSelection approachModelSurvival modelsDifferent methodsTheoryApproachStepwise selection procedureRegression modelsProbabilityStatistical PackageMultivariate regression model