2012
Outcomes for Mitral Valve Surgery Among Medicare Fee-for-Service Beneficiaries, 1999 to 2008
Dodson JA, Wang Y, Desai MM, Barreto-Filho JA, Sugeng L, Hashim SW, Krumholz HM. Outcomes for Mitral Valve Surgery Among Medicare Fee-for-Service Beneficiaries, 1999 to 2008. Circulation Cardiovascular Quality And Outcomes 2012, 5: 298-307. PMID: 22576847, PMCID: PMC3400109, DOI: 10.1161/circoutcomes.112.966077.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overChi-Square DistributionFee-for-Service PlansFemaleHealthcare DisparitiesHeart Valve DiseasesHeart Valve Prosthesis ImplantationHospital MortalityHospitalizationHumansLinear ModelsMaleMedicareMitral ValveOdds RatioPatient ReadmissionQuality ImprovementRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsMitral valve surgeryValve surgeryMitral valve repairFFS patientsHospitalization ratesValve repairMedicare feeMedicare Standard Analytic FilesMedicare FFS patientsRisk-standardized ratesProportion of patientsStandard Analytic FilesVital Status filesNational surveillance dataMedicare administrative dataSubstantial morbidityMortality outcomesService patientsAnalytic FilesMortality riskMortality rateSurgeryPatientsDenominator fileReadmission
2002
Development and Validation of a Risk‐Adjustment Index for Older Patients: The High‐Risk Diagnoses for the Elderly Scale
Desai MM, Bogardus ST, Williams CS, Vitagliano G, Inouye SK. Development and Validation of a Risk‐Adjustment Index for Older Patients: The High‐Risk Diagnoses for the Elderly Scale. Journal Of The American Geriatrics Society 2002, 50: 474-481. PMID: 11943043, DOI: 10.1046/j.1532-5415.2002.50113.x.Peer-Reviewed Original ResearchConceptsRisk adjustment indexDevelopment cohortElderly ScaleRisk diagnosisProspective cohort studyGeneral medical patientsGeneral medicine serviceUniversity Teaching HospitalCox proportional hazardsCharacteristic curve analysisComparable patientsCohort studyOlder patientsStrength of associationDischarge diagnosisMedical patientsValidation cohortRisk groupsTeaching hospitalInitial cohortMortality riskSeparate cohortMedicine serviceMortality ratePatients