2024
Incorporating Medicare Advantage Admissions Into the CMS Hospital-Wide Readmission Measure
Kyanko K, Sahay K, Wang Y, Li S, Schreiber M, Hager M, Myers R, Johnson W, Zhang J, Krumholz H, Suter L, Triche E. Incorporating Medicare Advantage Admissions Into the CMS Hospital-Wide Readmission Measure. JAMA Network Open 2024, 7: e2414431. PMID: 38829614, PMCID: PMC11148674, DOI: 10.1001/jamanetworkopen.2024.14431.Peer-Reviewed Original ResearchConceptsCenters for Medicare & Medicaid ServicesSpecialty subgroupsPerformance quintileMedicare AdvantageReadmission ratesRisk-standardized readmission ratesHospital-wide readmission measureHospital outcome measuresTest-retest reliabilityRisk-adjustment variablesMeasurement reliabilityAdministrative claims dataReadmission measuresImprove measurement reliabilityIntegrated data repositoryMA beneficiariesQuintile rankingsMedicare beneficiariesMedicaid ServicesAll-causePublic reportingStudy assessed differencesClaims dataOutcome measuresMA cohort
2017
Hospital Readmissions among Commercially Insured and Medicare Advantage Beneficiaries with Diabetes and the Impact of Severe Hypoglycemic and Hyperglycemic Events
McCoy RG, Lipska KJ, Herrin J, Jeffery MM, Krumholz HM, Shah ND. Hospital Readmissions among Commercially Insured and Medicare Advantage Beneficiaries with Diabetes and the Impact of Severe Hypoglycemic and Hyperglycemic Events. Journal Of General Internal Medicine 2017, 32: 1097-1105. PMID: 28685482, PMCID: PMC5602759, DOI: 10.1007/s11606-017-4095-x.Peer-Reviewed Original ResearchConceptsDiabetes Complications Severity IndexSevere dysglycemiaIndex hospitalizationMedicare Advantage beneficiariesRisk factorsBetter care transitionsComplications Severity IndexPost-discharge managementIndependent risk factorYounger patient ageOptumLabs Data WarehouseStrong risk factorYears of ageBackgroundHospital readmissionsDesignRetrospective analysisCause readmissionUnplanned readmissionPatient agePrior hospitalizationReadmission ratesYounger patientsHeart failureHospital readmissionSevere hypoglycemiaDiabetes complications
2015
Mortality, Hospitalizations, and Expenditures for the Medicare Population Aged 65 Years or Older, 1999-2013
Krumholz HM, Nuti SV, Downing NS, Normand SL, Wang Y. Mortality, Hospitalizations, and Expenditures for the Medicare Population Aged 65 Years or Older, 1999-2013. JAMA 2015, 314: 355-365. PMID: 26219053, PMCID: PMC5459402, DOI: 10.1001/jama.2015.8035.Peer-Reviewed Original ResearchConceptsMonths of lifeMedicare beneficiariesService beneficiariesMedicare feeInpatient expendituresCause mortalitySerial cross-sectional analysisCause mortality ratesNumber of hospitalizationsIntensity of careUnique Medicare beneficiariesCross-sectional analysisPercentage of beneficiariesCause hospitalizationTotal hospitalizationsMore hospitalizationsHospitalization ratesMedicare denominatorInpatient filesHospitalizationMAIN OUTCOMEMortality rateMortalityHealth careKey demographic groups
2013
Variations in Health Care, Patient Preferences, and High-Quality Decision Making
Krumholz HM. Variations in Health Care, Patient Preferences, and High-Quality Decision Making. JAMA 2013, 310: 151-152. PMID: 23839747, PMCID: PMC5459397, DOI: 10.1001/jama.2013.7835.Peer-Reviewed Original Research
2012
Regional Associations Between Medicare Advantage Penetration and Administrative Claims-based Measures of Hospital Outcomes
Kulkarni VT, Shah SJ, Bernheim SM, Wang Y, Normand SL, Han LF, Rapp MT, Drye EE, Krumholz HM. Regional Associations Between Medicare Advantage Penetration and Administrative Claims-based Measures of Hospital Outcomes. Medical Care 2012, 50: 406-409. PMID: 22456113, PMCID: PMC5459365, DOI: 10.1097/mlr.0b013e318245a0f9.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionRisk-standardized readmission ratesHospital outcomesReadmission ratesHeart failureMyocardial infarctionPopulation riskOutcome measuresMortality rateMedicare Advantage patientsHospital referral region levelHospital outcome measuresClaims-based measuresMedicaid Services measuresFFS patientsAdvantage patientsRetrospective studyService patientsMedicare feeMedicare Advantage penetrationPatientsMedicaid ServicesInfarctionPneumonia