2005
Impact of Managed Care on Cancer Trial Enrollment
Gross CP, Krumholz HM. Impact of Managed Care on Cancer Trial Enrollment. Journal Of Clinical Oncology 2005, 23: 3811-3818. PMID: 15923575, DOI: 10.1200/jco.2005.00.430.Peer-Reviewed Original ResearchConceptsTrial enrollment ratesCancer trial enrollmentTrial enrollmentCare penetrationCooperative group trialsLow enrollment ratesNational Cancer InstituteCounty characteristicsFourth quartileTrial participationLowest quartileProstate cancerCare competitionGroup trialsCancer InstituteStrong inverse correlationBivariate analysisCare activitiesMultivariate modelParticipant dataInverse correlationEnrollment ratesManaged CareZip codesQuartile
2001
Physician characteristics and the initiation of beta-adrenergic blocking agent therapy after acute myocardial infarction in a managed care population.
Fehrenbach SN, Budnitz DS, Gazmararian JA, Krumholz HM. Physician characteristics and the initiation of beta-adrenergic blocking agent therapy after acute myocardial infarction in a managed care population. The American Journal Of Managed Care 2001, 7: 717-23. PMID: 11464429.Peer-Reviewed Original ResearchConceptsBeta-adrenergic blocking agentsAcute myocardial infarctionBeta-adrenergic blocking agent therapyRegion of hospitalizationFamily practice physiciansPhysician characteristicsBlocking agentMyocardial infarctionHospital dischargeAgent therapyPractice physiciansPercent of patientsRetrospective administrative data analysisPatient agePatient characteristicsMedication claimsStudy cohortCare populationCardiac treatmentAdministrative data analysisInfarctionMultivariate modelPhysiciansHospitalizationCare organizations
1997
Validation of a clinical prediction rule for left ventricular ejection fraction after myocardial infarction in patients ≥ 65 years old
Krumholz H, Howes C, Murillo J, Vaccarino L, Radford M, Ellerbeck E. Validation of a clinical prediction rule for left ventricular ejection fraction after myocardial infarction in patients ≥ 65 years old. The American Journal Of Cardiology 1997, 80: 11-15. PMID: 9205012, DOI: 10.1016/s0002-9149(97)00299-3.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCohort StudiesConnecticutEchocardiographyElectrocardiographyFemaleHumansMaleMedicareMultivariate AnalysisMyocardial InfarctionPilot ProjectsPredictive Value of TestsRetrospective StudiesRisk FactorsStroke VolumeTreatment OutcomeUnited StatesVentricular Function, LeftConceptsLeft ventricular ejection fractionAcute myocardial infarctionClinical prediction ruleVentricular ejection fractionPositive predictive valuePrediction ruleElderly patientsEjection fractionMyocardial infarctionExclusion criteriaPredictive valueEligible elderly patientsRetrospective chart reviewConnecticut cohortChest painBypass surgeryChart reviewDiabetes mellitusMedicare patientsPatientsPilot studyMultivariate modelInfarctionElectrocardiogram interpretationOriginal study