2025
Incidence, Prevalence, and Trends in Mortality and Stroke Among Medicare Beneficiaries With Atrial Fibrillation: 2013 to 2019
Rogovoy N, Kearing S, Zhou W, Freeman J, Piccini J, Al-Khatib S, Zeitler E. Incidence, Prevalence, and Trends in Mortality and Stroke Among Medicare Beneficiaries With Atrial Fibrillation: 2013 to 2019. Circulation Cardiovascular Quality And Outcomes 2025, 18: e011365. PMID: 40184151, PMCID: PMC12092179, DOI: 10.1161/circoutcomes.124.011365.Peer-Reviewed Original ResearchConceptsMedicare beneficiariesIncident AFFemale beneficiariesAge- and sex-adjusted mortalityIncident cohortAtrial fibrillationAF incidenceSex-adjusted mortalityAssociated with increased risk of strokeAssociated with increased riskPrevalence of AFAssociated with mortalityRisk of strokeWhite beneficiariesDemographic subgroupsMortality riskAF prevalenceRate of strokeMedicareEvaluate trendsBeneficiariesUrban dwellingRisk factorsStudy cohortAge groupsDifferences in patterns of outpatient epilepsy‐specific medication initiation after acute ischemic stroke in the Medicare population
Donahue M, Brooks J, Hsu J, Price M, Blacker D, Schwamm L, Newhouse J, Westover M, Haneuse S, Moura L. Differences in patterns of outpatient epilepsy‐specific medication initiation after acute ischemic stroke in the Medicare population. Epilepsia 2025, 66: 2728-2742. PMID: 40184019, PMCID: PMC12353908, DOI: 10.1111/epi.18396.Peer-Reviewed Original ResearchNon-Hispanic whitesOlder age groupsAcute ischemic strokeAge groupsCommunity-dwelling beneficiariesNon-Hispanic white beneficiariesUS Medicare beneficiariesCumulative incidenceYear of dischargeUS geographic regionsAdministrative claims dataUS census divisionsIschemic strokeHospitalization causeRacial/Ethnic DifferencesMedicare beneficiariesOlder adultsWhite beneficiariesBlack/African AmericanMedicare populationClaims dataHispanic beneficiariesHospital regionMedication initiationInpatient readmissionsExtreme Heat and Hospitalization Among Older Persons With Alzheimer Disease and Related Dementias
Delaney S, Stegmuller A, Mork D, Mock L, Bell M, Gill T, Braun D, Zanobetti A. Extreme Heat and Hospitalization Among Older Persons With Alzheimer Disease and Related Dementias. JAMA Internal Medicine 2025, 185: 412-421. PMID: 39899291, PMCID: PMC11791774, DOI: 10.1001/jamainternmed.2024.7719.Peer-Reviewed Original ResearchCase-crossover designOdds ratioPopulation-based cohort studyMedicare fee-for-serviceBurden of Alzheimer's diseaseConditional logistic regressionFee-for-serviceOR point estimatesRisk of hospitalizationADRDOlder personsOlder adultsMain OutcomesPopulation subgroupsWhite beneficiariesDiagnosis codesCohort studyEffect estimatesHealth burdenLogistic regressionCounseling patientsCumulative ORAlzheimer's diseaseIncreased hospitalizationOutdoor heat
2023
Associations between greenness and kidney disease in Massachusetts: The US Medicare longitudinal cohort study
Lee W, Heo S, Stewart R, Wu X, Fong K, Son J, Sabath B, Braun D, Park J, Kim Y, Lee J, Schwartz J, Kim H, Dominici F, Bell M. Associations between greenness and kidney disease in Massachusetts: The US Medicare longitudinal cohort study. Environment International 2023, 173: 107844. PMID: 36841189, DOI: 10.1016/j.envint.2023.107844.Peer-Reviewed Original ResearchConceptsAcute kidney injuryChronic kidney diseaseFirst hospital admissionKidney diseaseResidential greennessHospital admissionCohort studyHazard ratioLongitudinal population-based cohort studyMedicare Part A beneficiariesPopulation-based cohort studyReduced kidney functionLongitudinal cohort studyZip codesResidential zip codeKidney injuryKidney functionKidney patientsLower riskOverall populationWhite beneficiariesDiseaseAdmissionHealth benefitsAssociationRisk Adjustment And Promoting Health Equity In Population-Based Payment: Concepts And Evidence
McWilliams J, Weinreb G, Ding L, Ndumele C, Wallace J. Risk Adjustment And Promoting Health Equity In Population-Based Payment: Concepts And Evidence. Health Affairs 2023, 42: 105-114. PMID: 36623215, PMCID: PMC9901844, DOI: 10.1377/hlthaff.2022.00916.Peer-Reviewed Original ResearchConceptsRisk adjustmentHealth equityCurrent risk adjustmentHealth care useSocial risk factorsPromoting Health EquityFunctional statusCare useRisk factorsMedicare populationEthnic disparitiesHispanic beneficiariesSocial determinantsWhite beneficiariesPopulation-based paymentsPopulation-based payment modelAnnual spendingPayment modelsHigher proportionPopulationAdjustmentPredictive accuracy
2022
Racial and Ethnic Variation in COVID-19 Vaccination Uptake Among Medicare Beneficiaries with Cancer History
Poghosyan H, Dinan MA, Tamamyan G, Nelson L, Jeon S. Racial and Ethnic Variation in COVID-19 Vaccination Uptake Among Medicare Beneficiaries with Cancer History. Journal Of Racial And Ethnic Health Disparities 2022, 10: 2354-2362. PMID: 36149576, PMCID: PMC9510246, DOI: 10.1007/s40615-022-01415-2.Peer-Reviewed Original ResearchConceptsNon-Hispanic white beneficiariesCancer historyVaccine doseMedicare beneficiariesWhite beneficiariesVaccine uptakeHispanic beneficiariesMultivariable logistic regression analysisCOVID-19 vaccination uptakeSelf-reported cancer historyCOVID-19 vaccine uptakeSelf-reported receiptCOVID-19 vaccination ratesLogistic regression analysisNon-Hispanic blacksSelf-reported raceUnvaccinated beneficiariesVaccination uptakeVaccine dosesVaccination ratesVaccine confidenceVaccine availabilitySupplement surveyCross-sectional dataEthnic variation
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