2011
An Administrative Claims Model for Profiling Hospital 30-Day Mortality Rates for Pneumonia Patients
Bratzler DW, Normand SL, Wang Y, O'Donnell WJ, Metersky M, Han LF, Rapp MT, Krumholz HM. An Administrative Claims Model for Profiling Hospital 30-Day Mortality Rates for Pneumonia Patients. PLOS ONE 2011, 6: e17401. PMID: 21532758, PMCID: PMC3075250, DOI: 10.1371/journal.pone.0017401.Peer-Reviewed Original ResearchConceptsMortality rateDerivation cohortValidation cohortModel derivation cohortAge 66 yearsPrincipal discharge diagnosisAdministrative diagnosis codesStandardized mortality rateRisk-adjustment variablesQuality of careState mortality ratesAdministrative Claims ModelClaims-based modelsIndex hospitalizationPatient demographicsDischarge diagnosisOutpatient encountersPneumonia mortalityPneumonia patientsRetrospective studyDiagnosis codesPneumonia casesMortality estimatesOutcome measuresProfiling Hospitals
2003
Validity of a Simple ST-Elevation Acute Myocardial Infarction Risk Index
Rathore SS, Weinfurt KP, Gross CP, Krumholz HM. Validity of a Simple ST-Elevation Acute Myocardial Infarction Risk Index. Circulation 2003, 107: 811-816. PMID: 12591749, DOI: 10.1161/01.cir.0000049743.45748.02.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCalibrationCohort StudiesElectrocardiographyFemaleHumansInpatientsMaleMyocardial InfarctionMyocardial ReperfusionPredictive Value of TestsPrognosisRandomized Controlled Trials as TopicReproducibility of ResultsRetrospective StudiesRiskRisk AssessmentSurvival AnalysisConceptsSimple risk indexCommunity-based cohortRCT populationMyocardial infarctionST-segment elevation myocardial infarctionST-elevation myocardial infarctionMyocardial Infarction (TIMI) risk indexRandomized clinical trial dataAcute reperfusion therapyPatients 65 yearsRisk stratification scoresElevation myocardial infarctionCommunity-based populationDistribution of patientsHigh-risk groupLow-risk groupRisk stratification indexClinical trial dataYears of ageRisk indexReperfusion therapyRisk score distributionPrognostic scoreMortality estimatesGeneral population