Featured Publications
Association of Changing Hospital Readmission Rates With Mortality Rates After Hospital Discharge
Dharmarajan K, Wang Y, Lin Z, Normand ST, Ross JS, Horwitz LI, Desai NR, Suter LG, Drye EE, Bernheim SM, Krumholz HM. Association of Changing Hospital Readmission Rates With Mortality Rates After Hospital Discharge. JAMA 2017, 318: 270-278. PMID: 28719692, PMCID: PMC5817448, DOI: 10.1001/jama.2017.8444.Peer-Reviewed Original ResearchConceptsRisk-adjusted readmission ratesRisk-adjusted mortality ratesAcute myocardial infarctionHeart failureReadmission ratesMortality rateMyocardial infarctionMedicare feeService beneficiariesHospital readmission ratesMean hospitalHospital mortalityPostdischarge mortalityHospital dischargeHospital readmissionRetrospective studyAffordable Care ActReadmission reductionMAIN OUTCOMEPneumoniaHospitalSecondary analysisWeighted Pearson correlation coefficientMortalityCare ActRelationship Between Hospital Readmission and Mortality Rates for Patients Hospitalized With Acute Myocardial Infarction, Heart Failure, or Pneumonia
Krumholz HM, Lin Z, Keenan PS, Chen J, Ross JS, Drye EE, Bernheim SM, Wang Y, Bradley EH, Han LF, Normand SL. Relationship Between Hospital Readmission and Mortality Rates for Patients Hospitalized With Acute Myocardial Infarction, Heart Failure, or Pneumonia. JAMA 2013, 309: 587-593. PMID: 23403683, PMCID: PMC3621028, DOI: 10.1001/jama.2013.333.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionRisk-standardized readmission ratesHospital risk-standardized mortality ratesHeart failureMyocardial infarctionHospital characteristicsMortality rateReadmission ratesProportion of hospitalsHospital readmissionMedicare feePneumoniaInfarctionService beneficiariesHospitalPatientsMedicaid ServicesHospital performanceSubgroupsFailureCauseReadmissionSignificant negative linear relationship
2020
Illuminating Hospital Disparities in Readmissions for Patients with Social Risk Factors: Comparing Hospital Performance Using Two Different Approaches
Herrin J, Peltz A, Zhou S, Du C, Barbo A, Charania S, Schwartz M, Lin Z, Bernheim S. Illuminating Hospital Disparities in Readmissions for Patients with Social Risk Factors: Comparing Hospital Performance Using Two Different Approaches. Health Services Research 2020, 55: 93-94. PMCID: PMC7440563, DOI: 10.1111/1475-6773.13462.Peer-Reviewed Original ResearchSocial risk factorsAbsolute risk differenceDual eligibility statusHospital disparitiesRisk factorsDual eligibilityMedicare patientsReadmission ratesOdds ratioRisk differenceSocioeconomic disparitiesMedicare FFS patientsRetrospective cohort studyClinical risk factorsCommon clinical conditionHospitalized Medicare patientsSES indexStandard Analytic FilesVeterans Affairs hospitalEligibility statusMedicare Part AHospital outcomesCohort studyFFS patientsHospital readmission
2019
Evaluation of 30-Day Hospital Readmission and Mortality Rates Using Regression-Discontinuity Framework
Khera R, Wang Y, Nasir K, Lin Z, Krumholz HM. Evaluation of 30-Day Hospital Readmission and Mortality Rates Using Regression-Discontinuity Framework. Journal Of The American College Of Cardiology 2019, 74: 219-234. PMID: 31296295, PMCID: PMC8669780, DOI: 10.1016/j.jacc.2019.04.060.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHospital Readmissions Reduction ProgramHeart failureReadmission ratesElderly Medicare feeMedian readmission rateReadmissions Reduction ProgramPost-discharge daysInstitution of strategiesHospital readmissionReadmission riskMyocardial infarctionReadmission reductionCardiovascular conditionsEligible hospitalsMedicare feeReadmission penaltiesMortality rateDay 1Day 30ReadmissionDay 60HospitalU.S. hospitalsHospitalization
2003
Gender differences in recovery after coronary artery bypass surgery
Vaccarino V, Lin ZQ, Kasl SV, Mattera JA, Roumanis SA, Abramson JL, Krumholz HM. Gender differences in recovery after coronary artery bypass surgery. Journal Of The American College Of Cardiology 2003, 41: 307-314. PMID: 12535827, DOI: 10.1016/s0735-1097(02)02698-0.Peer-Reviewed Original ResearchConceptsPhysical functionCABG surgeryDepressive symptomsHospital readmissionCoronary artery bypass graft surgeryArtery bypass graft surgeryCoronary artery bypass surgeryBypass graft surgeryArtery bypass surgeryCongestive heart failureLow physical functionMore depressive symptomsFirst CABGGraft surgeryBaseline characteristicsBypass surgeryPatient characteristicsHeart failureIllness severityMedical recordsWorse outcomesClinical dataFemale genderHigh riskSide effects