2019
Comparative Effectiveness of New Approaches to Improve Mortality Risk Models From Medicare Claims Data
Krumholz HM, Coppi AC, Warner F, Triche EW, Li SX, Mahajan S, Li Y, Bernheim SM, Grady J, Dorsey K, Lin Z, Normand ST. Comparative Effectiveness of New Approaches to Improve Mortality Risk Models From Medicare Claims Data. JAMA Network Open 2019, 2: e197314. PMID: 31314120, PMCID: PMC6647547, DOI: 10.1001/jamanetworkopen.2019.7314.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionICD-9-CM codesMortality risk modelHeart failureHospital admissionC-statisticMAIN OUTCOMEMortality rateRisk-standardized mortality ratesHospital risk-standardized mortality ratesIndex admission diagnosisPatients 65 yearsDays of hospitalizationComparative effectiveness studiesClaims-based dataHospital-level performance measuresMedicare claims dataPatient-level modelsCMS modelRisk-adjustment modelsRisk modelHospital performance measuresAdmission diagnosisNinth RevisionMyocardial infarction
2018
Effect of Hospital Readmission Reduction on Patients at Low, Medium, and High Risk of Readmission in the Medicare Population
Blecker S, Herrin J, Kwon JY, Grady JN, Jones S, Horwitz LI. Effect of Hospital Readmission Reduction on Patients at Low, Medium, and High Risk of Readmission in the Medicare Population. Journal Of Hospital Medicine 2018, 13: 537-543. PMID: 29455229, PMCID: PMC6063766, DOI: 10.12788/jhm.2936.Peer-Reviewed Original ResearchMeSH KeywordsAgedFee-for-Service PlansFemaleHospitalizationHumansMaleMedicarePatient ReadmissionRetrospective StudiesUnited States
2016
Hospital Use of Observation Stays
Venkatesh AK, Wang C, Ross JS, Altaf FK, Suter LG, Vellanky S, Grady JN, Bernheim SM. Hospital Use of Observation Stays. Medical Care 2016, 54: 1070-1077. PMID: 27579906, PMCID: PMC5850934, DOI: 10.1097/mlr.0000000000000601.Peer-Reviewed Original ResearchConceptsRisk-standardized readmission ratesAcute myocardial infarctionObservation staysHeart failureReadmission measuresHospital useHospital risk-standardized readmission ratesCross-sectional analysisModest inverse correlationPostdischarge periodReadmission ratesHospital observationMyocardial infarctionMedicare feeStayPneumoniaService beneficiariesMeasures of qualityMedicaid ServicesHospitalInverse correlationModest correlationReadmissionPublic reportingFailure
2014
National Patterns of Risk-Standardized Mortality and Readmission After Hospitalization for Acute Myocardial Infarction, Heart Failure, and Pneumonia: Update on Publicly Reported Outcomes Measures Based on the 2013 Release
Suter LG, Li SX, Grady JN, Lin Z, Wang Y, Bhat KR, Turkmani D, Spivack SB, Lindenauer PK, Merrill AR, Drye EE, Krumholz HM, Bernheim SM. National Patterns of Risk-Standardized Mortality and Readmission After Hospitalization for Acute Myocardial Infarction, Heart Failure, and Pneumonia: Update on Publicly Reported Outcomes Measures Based on the 2013 Release. Journal Of General Internal Medicine 2014, 29: 1333-1340. PMID: 24825244, PMCID: PMC4175654, DOI: 10.1007/s11606-014-2862-5.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionHeart failurePneumonia mortalityMyocardial infarctionMedian risk-standardized mortality rateHospital-level mortalityUnplanned readmission ratePrincipal discharge diagnosisHospital performanceRisk-Standardized MortalityHF mortalityReadmission resultsReadmission ratesDischarge diagnosisOutcome measuresAMI mortalityReadmission measuresPneumoniaMortality rateService MedicareHierarchical logistic modelsMortalityMedicaid ServicesReadmission
2003
Burden of Illness Score for Elderly Persons
Inouye SK, Bogardus ST, Vitagliano G, Desai MM, Williams CS, Grady JN, Scinto JD. Burden of Illness Score for Elderly Persons. Medical Care 2003, 41: 70-83. PMID: 12544545, DOI: 10.1097/00005650-200301000-00010.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overCohort StudiesComorbidityCost of IllnessFemaleFollow-Up StudiesForecastingGeriatric AssessmentHealth StatusHospitalizationHospitals, TeachingHumansMaleMortalityPneumoniaProbabilityProportional Hazards ModelsRisk AdjustmentRisk FactorsSeverity of Illness IndexSex FactorsSurvival AnalysisTime FactorsConceptsGroup IHazard ratioIllness scoresOverall mortalityC-statisticElderly personsHospitalized older personsHigh-risk diagnosesRisk adjustment indexProspective cohortValidation cohortDevelopment cohortUniversity HospitalPhysiologic abnormalitiesRisk factorsFunctional impairmentRisk groupsMedicine serviceMortality predictionMortality rateGroup IICohortOlder personsFinal modelGroup III