2023
Healthcare Market-Level and Hospital-Level Disparities in Access to and Utilization of High-Quality Hip and Knee Replacement Hospitals Among Medicare Beneficiaries
Oddleifson D, Xu X, Wiznia D, Gibson D, Spatz E, Desai N. Healthcare Market-Level and Hospital-Level Disparities in Access to and Utilization of High-Quality Hip and Knee Replacement Hospitals Among Medicare Beneficiaries. Journal Of The American Academy Of Orthopaedic Surgeons 2023, 31: e961-e973. PMID: 37543752, DOI: 10.5435/jaaos-d-23-00183.Peer-Reviewed Original ResearchUtilization of hospitalKnee replacementMedicaid ServicesHospital-level disparitiesLow-income patientsCross-sectional studyHospital-level analysisHospital referral regionsHigh-quality hospitalsReplacement hospitalNational averageCare measuresHospital's percentageReferral regionsMedicare beneficiariesHospitalLevel IIIPatient accessHipSocioeconomic disparitiesSurgical processQuartileLogit linkHigh social vulnerabilityAssociation
2018
Association of the Overall Well-being of a Population With Health Care Spending for People 65 Years of Age or Older
Riley C, Roy B, Herrin J, Spatz ES, Arora A, Kell KP, Rula EY, Krumholz HM. Association of the Overall Well-being of a Population With Health Care Spending for People 65 Years of Age or Older. JAMA Network Open 2018, 1: e182136. PMID: 30646154, PMCID: PMC6324481, DOI: 10.1001/jamanetworkopen.2018.2136.Peer-Reviewed Original ResearchConceptsMedicare FFS beneficiariesPeople 65 yearsHealth care spendingFFS beneficiariesCare spendingPopulation-based cross-sectional studyLower health care spendingHealth care system capacityCross-sectional studyHealth care systemPopulation levelPayment modelsCare payment modelsHighest quintileInverse associationStudy interventionMAIN OUTCOMEMedicare feeMedicare beneficiariesUS national studyOverall healthMedian household incomeBeing IndexCare systemDemographic characteristicsAssociation of the US Department of Justice Investigation of Implantable Cardioverter-Defibrillators and Devices Not Meeting the Medicare National Coverage Determination, 2007-2015
Desai NR, Bourdillon PM, Parzynski CS, Brindis RG, Spatz ES, Masters C, Minges KE, Peterson P, Masoudi FA, Oetgen WJ, Buxton A, Zipes DP, Curtis JP. Association of the US Department of Justice Investigation of Implantable Cardioverter-Defibrillators and Devices Not Meeting the Medicare National Coverage Determination, 2007-2015. JAMA 2018, 320: 63-71. PMID: 29971398, PMCID: PMC6583049, DOI: 10.1001/jama.2018.8151.Peer-Reviewed Original ResearchConceptsPrimary prevention ICDsNon-Medicare beneficiariesAbsolute decreaseNational Cardiovascular Data Registry ICD RegistrySerial cross-sectional analysisStudy periodImplantable cardioverter defibrillatorRelative decreaseCross-sectional analysisProportion of devicesInitial ICDICD RegistryPrimary preventionCardioverter defibrillatorMAIN OUTCOMEMedicare beneficiariesUS hospitalsHospital groupHospitalICDMore rapid decreasesModest decreaseDepartmentMedicareUS Department
2017
Age Differences in Hospital Mortality for Acute Myocardial Infarction: Implications for Hospital Profiling.
Dharmarajan K, McNamara RL, Wang Y, Masoudi FA, Ross JS, Spatz EE, Desai NR, de Lemos JA, Fonarow GC, Heidenreich PA, Bhatt DL, Bernheim SM, Slattery LE, Khan YM, Curtis JP. Age Differences in Hospital Mortality for Acute Myocardial Infarction: Implications for Hospital Profiling. Annals Of Internal Medicine 2017, 167: 555-564. PMID: 28973634, PMCID: PMC9359429, DOI: 10.7326/m16-2871.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionOlder patientsYounger patientsMyocardial infarctionAge groupsHospital risk-standardized mortality ratesRetrospective cohort studyHospital mortality rankingsNational Quality ForumHospital mortalityMedian hospitalHospital outcomesCohort studyACTION RegistryAMI mortalityAmerican CollegeMedicare beneficiariesAMI hospitalizationPatientsMortality rateHospitalQuality ForumHospital ValueHospital profiling
2016
2EMF Use of the Emergency Department for Acute, Unscheduled Care by Vulnerable Medicare Beneficiaries
Venkatesh A, Mei H, Spatz E, Eichenfeld J, Krumholz H, Lin Z. 2EMF Use of the Emergency Department for Acute, Unscheduled Care by Vulnerable Medicare Beneficiaries. Annals Of Emergency Medicine 2016, 68: s149-s150. DOI: 10.1016/j.annemergmed.2016.08.408.Peer-Reviewed Original Research