2018
Variation in and Hospital Characteristics Associated With the Value of Care for Medicare Beneficiaries With Acute Myocardial Infarction, Heart Failure, and Pneumonia
Desai NR, Ott LS, George EJ, Xu X, Kim N, Zhou S, Hsieh A, Nuti SV, Lin Z, Bernheim SM, Krumholz HM. Variation in and Hospital Characteristics Associated With the Value of Care for Medicare Beneficiaries With Acute Myocardial Infarction, Heart Failure, and Pneumonia. JAMA Network Open 2018, 1: e183519. PMID: 30646247, PMCID: PMC6324438, DOI: 10.1001/jamanetworkopen.2018.3519.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionHeart failureHigh-value careHospital characteristicsValue of careMyocardial infarctionNational cross-sectional studyHospital risk-standardized mortality ratesMedian risk-standardized mortality rateProportion of patientsSafety-net statusAcute care hospitalsCross-sectional studyLow socioeconomic statusCharacteristics of hospitalsValue-based payment modelsWeak inverse correlationCare hospitalHospital variationHospital typeHospitalizationMAIN OUTCOMEPneumoniaMedicare beneficiaries
2015
Wide Variation Found In Hospital Facility Costs For Maternity Stays Involving Low-Risk Childbirth
Xu X, Gariepy A, Lundsberg LS, Sheth SS, Pettker CM, Krumholz HM, Illuzzi JL. Wide Variation Found In Hospital Facility Costs For Maternity Stays Involving Low-Risk Childbirth. Health Affairs 2015, 34: 1212-1219. PMID: 26153317, DOI: 10.1377/hlthaff.2014.1088.Peer-Reviewed Original ResearchConceptsCesarean deliveryHospital costsMaternity staysSerious maternal morbidityNationwide Inpatient SampleCoordination of careValue of careMaternal morbidityHospital admissionInpatient SampleDelivery system reformRural hospitalsUS hospitalsHospital practiceSafe reductionHospitalChildbirthStayLong stayHigh rateCareLower proportionUnited StatesFacility costsAn Administrative Claims Measure of Payments Made for Medicare Patients for a 30-Day Episode of Care for Acute Myocardial Infarction
Kim N, Bernheim SM, Ott LS, Han L, Spivack SB, Xu X, Volpe M, Liu A, Krumholz HM. An Administrative Claims Measure of Payments Made for Medicare Patients for a 30-Day Episode of Care for Acute Myocardial Infarction. Medical Care 2015, 53: 542-549. PMID: 25970575, DOI: 10.1097/mlr.0000000000000361.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionICD-9 codes 410Administrative Claims MeasurePatients 65 yearsDate of admissionClaims-based measuresIntraclass correlation coefficient scoreIntraclass correlation coefficientValue of careHigh-value careClinical variablesDischarge diagnosisMedicare patientsMedicare claimsClinical careAMI episodeAMI hospitalizationCare costsCode 410HospitalizationMedicaid ServicesHospitalClaims measuresCare
2014
“Phenotyping” Hospital Value of Care for Patients with Heart Failure
Xu X, Li S, Lin H, Normand S, Kim N, Ott LS, Lagu T, Duan M, Kroch EA, Krumholz HM. “Phenotyping” Hospital Value of Care for Patients with Heart Failure. Health Services Research 2014, 49: 2000-2016. PMID: 24974769, PMCID: PMC4254136, DOI: 10.1111/1475-6773.12197.Peer-Reviewed Original ResearchConceptsLower mortalityHeart failureHeart failure hospitalizationHospital mortality rateLonger hospital stayIntensive care unitDistinct joint trajectoriesValue of careFailure hospitalizationHospital stayCare unitClinical outcomesGroup of hospitalsHospital characteristicsHospital careHospital patternsSurgical proceduresMultinomial logistic regressionMortality rateHigh mortalityHospitalHospitalizationMortalityLogistic regressionHospital Value