2017
Regional Medicare Expenditures and Survival Among Older Women With Localized Breast Cancer
Tannenbaum S, Soulos PR, Herrin J, Mougalian S, Long JB, Wang R, Ma X, Gross CP, Xu X. Regional Medicare Expenditures and Survival Among Older Women With Localized Breast Cancer. Medical Care 2017, 55: 1030-1038. PMID: 29068906, PMCID: PMC5863278, DOI: 10.1097/mlr.0000000000000822.Peer-Reviewed Original ResearchConceptsBreast cancer careHospital referral regionsNonmetastatic breast cancerBreast cancerCancer careMedicare beneficiariesMedicare expendituresCancer expendituresBetter survivalEnd Results-MedicareRetrospective cohort studyPatients 3 yearsClinical characteristicsCohort studyOverall survivalCancer stagePatient outcomesOutcome measuresReferral regionsOlder womenSignificant associationStage IIBivariate analysisCancerQuintile
2015
Older Women With Localized Breast Cancer: Costs And Survival Rates Increased Across Two Time Periods
Feinstein AJ, Long J, Soulos PR, Ma X, Herrin J, Frick KD, Chagpar AB, Krumholz HM, Yu JB, Ross JS, Gross CP. Older Women With Localized Breast Cancer: Costs And Survival Rates Increased Across Two Time Periods. Health Affairs 2015, 34: 592-600. PMID: 25847641, DOI: 10.1377/hlthaff.2014.1119.Peer-Reviewed Original ResearchConceptsStage II diseaseStage III diseaseCancer-related costsCancer careBreast cancerMedian costSurvival rateEnd Results Program-MedicareFive-year survivalCancer care costsBreast surgerySurvival outcomesImproved outcomesOlder womenRadiation therapyCare costsStage IIDiseaseStudy periodWomenCancerCareSignificant national attentionOutcomesPercent
2013
For-profit hospital ownership status and use of brachytherapy after breast-conserving surgery
Sen S, Soulos PR, Herrin J, Roberts KB, Yu JB, Lesnikoski BA, Ross JS, Krumholz HM, Gross CP. For-profit hospital ownership status and use of brachytherapy after breast-conserving surgery. Surgery 2013, 155: 776-788. PMID: 24787104, PMCID: PMC4008843, DOI: 10.1016/j.surg.2013.12.009.Peer-Reviewed Original ResearchConceptsHospital ownership statusBreast-conserving operationsBreast-conserving surgeryUse of brachytherapyRadiation therapyOperative careBreast cancerMedicare beneficiariesOverall useReceipt of brachytherapyAdjuvant radiation therapyInvasive breast cancerFemale Medicare beneficiariesGreater overall useYears of ageShort life expectancyRetrospective studyRT modalityProfit hospitalsExpensive modalityOlder womenBrachytherapy useBreast brachytherapyHospitalBrachytherapyVariation in Receipt of Radiation Therapy After Breast-conserving Surgery
Feinstein AJ, Soulos PR, Long JB, Herrin J, Roberts KB, Yu JB, Gross CP. Variation in Receipt of Radiation Therapy After Breast-conserving Surgery. Medical Care 2013, 51: 330-338. PMID: 23151590, PMCID: PMC3596448, DOI: 10.1097/mlr.0b013e31827631b0.Peer-Reviewed Original ResearchConceptsUse of RTShort life expectancyRadiation therapyBreast cancerLife expectancyPrimary surgeonStage I breast cancerEarly-stage breast cancerRadiation oncologist densityAdjuvant radiation therapyI breast cancerReceipt of radiationBreast-conserving surgeryImpact of physiciansHierarchical logistic regression modelsLogistic regression modelsLonger life expectancyLE patientsRetrospective cohortLE groupOlder womenPatientsTreatment ratesWomenCancer
2012
Assessing the Impact of a Cooperative Group Trial on Breast Cancer Care in the Medicare Population
Soulos PR, Yu JB, Roberts KB, Raldow AC, Herrin J, Long JB, Gross CP. Assessing the Impact of a Cooperative Group Trial on Breast Cancer Care in the Medicare Population. Journal Of Clinical Oncology 2012, 30: 1601-1607. PMID: 22393088, PMCID: PMC3383112, DOI: 10.1200/jco.2011.39.4890.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overBreast NeoplasmsCombined Modality TherapyDisease-Free SurvivalFemaleHumansLife ExpectancyMastectomy, SegmentalMedicareNeoplasm InvasivenessNeoplasm StagingPrognosisRadiotherapy, AdjuvantRisk AssessmentSEER ProgramSurvival AnalysisTreatment OutcomeUnited StatesConceptsUse of RTAdjuvant radiation therapyRadiation therapyOlder womenRT useLife expectancyBreast cancerMedicare populationEnd Results-Medicare dataStage I breast cancerStrata of ageCooperative group trialsI breast cancerBreast cancer careStrata of patientsHealth system characteristicsLog-binomial regressionShort life expectancySample of womenTreatment guidelinesCancer careInclusion criteriaGroup trialsMedicare beneficiariesClinical practice