2023
Changes in Older Adult Trauma Quality When Evaluated Using Longer-Term Outcomes vs In-Hospital Mortality
Zogg C, Cooper Z, Peduzzi P, Falvey J, Castillo-Angeles M, Kodadek L, Staudenmayer K, Davis K, Tinetti M, Lichtman J. Changes in Older Adult Trauma Quality When Evaluated Using Longer-Term Outcomes vs In-Hospital Mortality. JAMA Surgery 2023, 158: e234856. PMID: 37792354, PMCID: PMC10551815, DOI: 10.1001/jamasurg.2023.4856.Peer-Reviewed Original ResearchConceptsHospital-level factorsTraumatic brain injurySevere traumatic brain injuryHospital mortalityTrauma QualityOlder adultsHip fractureComposite scoreHigher risk-adjusted oddsLevel 1 trauma centerIn-Hospital MortalityRisk-adjusted oddsLong-term outcomesMultivariable logistic regressionNontrauma centersTrauma patientsTerm outcomesTrauma centerPrimary diagnosisBrain injuryTrauma systemMAIN OUTCOMEMedicare feeService claimsForms of traumaAssociation of short-term hospital-level outcome metrics with 1-year mortality and recurrence for US Medicare beneficiaries with ischemic stroke
Wang Y, Leifheit E, Goldstein L, Lichtman J. Association of short-term hospital-level outcome metrics with 1-year mortality and recurrence for US Medicare beneficiaries with ischemic stroke. PLOS ONE 2023, 18: e0289790. PMID: 37561680, PMCID: PMC10414659, DOI: 10.1371/journal.pone.0289790.Peer-Reviewed Original ResearchConceptsIschemic strokeInverse probability weightsStroke patientsCause mortalityOutcome metricsLower riskUS hospitalsBetter long-term outcomesRecurrent stroke rateIschemic stroke recurrenceIschemic stroke patientsLong-term outcomesUS Medicare beneficiariesPerformance categoriesIntermediate hospitalsRecurrent strokeStroke recurrenceCohort studyClinical factorsRecurrence ratePrincipal diagnosisPatient riskStroke rateReadmission measuresCox model
2012
30-Day Risk-Standardized Mortality and Readmission Rates After Ischemic Stroke in Critical Access Hospitals
Lichtman JH, Leifheit-Limson EC, Jones SB, Wang Y, Goldstein LB. 30-Day Risk-Standardized Mortality and Readmission Rates After Ischemic Stroke in Critical Access Hospitals. Stroke 2012, 43: 2741-2747. PMID: 22935397, PMCID: PMC3547601, DOI: 10.1161/strokeaha.112.665646.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesRisk-standardized readmission ratesAnnual hospital volumeIschemic strokeReadmission ratesHospital volumeVolume quartileHighest risk-standardized mortality ratesPoor short-term outcomeMedicare beneficiaries 65 yearsService Medicare beneficiaries 65 yearsHighest volume quartileHospital volume quartilesPrimary discharge diagnosisLow-volume hospitalsShort-term outcomesBeneficiaries 65 years
2011
30-Day Mortality and Readmission After Hemorrhagic Stroke Among Medicare Beneficiaries in Joint Commission Primary Stroke Center-Certified and Noncertified Hospitals
Lichtman JH, Jones SB, Leifheit-Limson EC, Wang Y, Goldstein LB. 30-Day Mortality and Readmission After Hemorrhagic Stroke Among Medicare Beneficiaries in Joint Commission Primary Stroke Center-Certified and Noncertified Hospitals. Stroke 2011, 42: 3387-3391. PMID: 22033986, PMCID: PMC3292255, DOI: 10.1161/strokeaha.111.622613.Peer-Reviewed Original ResearchConceptsSubarachnoid hemorrhageIntracerebral hemorrhageReadmission ratesHemorrhagic strokeMedicare beneficiariesJoint Commission Primary Stroke CentersLower risk-adjusted mortality ratesCox proportional hazards regressionRisk-adjusted readmission ratesRisk-adjusted mortality ratesIschemic stroke patientsPrimary discharge diagnosisPrimary stroke centerProportional hazards regressionService Medicare beneficiariesEffects of careHospital mortalityStroke centersStroke patientsDischarge diagnosisHazards regressionMortality rateBetter outcomesHospitalPatientsOutcomes after ischemic stroke for hospitals with and without Joint Commission–certified primary stroke centers
Lichtman JH, Jones SB, Wang Y, Watanabe E, Leifheit-Limson E, Goldstein LB. Outcomes after ischemic stroke for hospitals with and without Joint Commission–certified primary stroke centers. Neurology 2011, 76: 1976-1982. PMID: 21543736, PMCID: PMC3109877, DOI: 10.1212/wnl.0b013e31821e54f3.Peer-Reviewed Original ResearchConceptsPrimary stroke centerRisk-standardized mortalityJoint CommissionPSC hospitalsIschemic strokeReadmission ratesStroke centersService Medicare beneficiariesHospital referral regionsIschemic stroke dischargesPSC certificationPatient demographicsComorbid conditionsStudy cohortMortality outcomesNational averagePrimary diagnosisReferral regionsMedicare beneficiariesHierarchical linear regression modelsHospitalStroke dischargesLinear regression modelsLower ratesStroke
2009
Stroke Patient Outcomes in US Hospitals Before the Start of the Joint Commission Primary Stroke Center Certification Program
Lichtman JH, Allen NB, Wang Y, Watanabe E, Jones SB, Goldstein LB. Stroke Patient Outcomes in US Hospitals Before the Start of the Joint Commission Primary Stroke Center Certification Program. Stroke 2009, 40: 3574-3579. PMID: 19797179, PMCID: PMC2782858, DOI: 10.1161/strokeaha.109.561472.Peer-Reviewed Original ResearchConceptsPrimary stroke centerCross-sectional studyBetter outcomesJoint CommissionHospital mortalityStroke centersCox proportional hazards modelStroke center certificationStroke patient outcomesProportional hazards modelYears of ageHierarchical logistic regressionIschemic strokeCenter certificationPatient outcomesMedicare feeHazards modelUS hospitalsService beneficiariesHospitalLogistic regressionPatientsMortalityRisk adjustmentStudy sample