2020
Physician trajectories of abandoning long‐course breast radiotherapy and their cost impact
Xu X, Soulos PR, Herrin J, Wang S, Pollack CE, Evans SB, Yu JB, Gross CP. Physician trajectories of abandoning long‐course breast radiotherapy and their cost impact. Health Services Research 2020, 56: 497-506. PMID: 33070305, PMCID: PMC8143683, DOI: 10.1111/1475-6773.13572.Peer-Reviewed Original ResearchConceptsPhysician peer groupsWhole breast irradiationCF-WBIRisk-adjusted ratesBreast radiotherapyPractice patternsLow useChronic Conditions Data WarehouseDistinct practice patternsPatients' clinical characteristicsSetting of radiotherapyAdjuvant breast radiotherapyYears of ageDistinct trajectoriesImportant cost implicationsHigher useAdjuvant radiotherapyClinical characteristicsEligible womenBreast cancerCost implicationsLatent class growth analysisService beneficiariesMedicare programRadiotherapy
2019
Persistent Use of Extended Fractionation Palliative Radiotherapy for Medicare Beneficiaries With Metastatic Breast Cancer, 2011 to 2014
Yu JB, Pollack CE, Herrin J, Zhu W, Soulos PR, Xu X, Gross CP. Persistent Use of Extended Fractionation Palliative Radiotherapy for Medicare Beneficiaries With Metastatic Breast Cancer, 2011 to 2014. American Journal Of Clinical Oncology 2019, 42: 493-499. PMID: 31033511, PMCID: PMC6538429, DOI: 10.1097/coc.0000000000000548.Peer-Reviewed Original ResearchConceptsPalliative radiotherapyBone metastasesMedicare beneficiariesBreast cancerAssociation of clinicalProportion of patientsChoice of treatmentHospital-based practiceService Medicare beneficiariesSingle-fraction treatmentProvider financial incentivesLogistic regression modelsDifferent fractionation schemesProlonged courseRadiation courseRadiotherapy usePayer perspectiveProvider characteristicsMean costMultiple guidelinesPatientsRadiotherapyMetastasisCancerNumber of daysAbandonment trajectories of conventionally fractionated adjuvant radiotherapy in breast cancer care.
Xu X, Soulos P, Herrin J, Wang S, Pollack C, Evans S, Gross C, Yu J. Abandonment trajectories of conventionally fractionated adjuvant radiotherapy in breast cancer care. Journal Of Clinical Oncology 2019, 37: 531-531. DOI: 10.1200/jco.2019.37.15_suppl.531.Peer-Reviewed Original ResearchPhysician peer groupsBreast cancer careAdjuvant radiotherapyCancer careHigher useNational Medicare claimsPatient risk factorsDistinct trajectoriesYears of ageLow useDifferent baseline levelsRisk-adjusted ratesPatient cohortRisk factorsBreast cancerCost implicationsMedicare claimsBaseline levelsRadiotherapyMedicare perspectiveCFRTCurve analysisPhysiciansPatientsLatent growth curve analysis
2012
Proton Versus Intensity-Modulated Radiotherapy for Prostate Cancer: Patterns of Care and Early Toxicity
Yu JB, Soulos PR, Herrin J, Cramer LD, Potosky AL, Roberts KB, Gross CP. Proton Versus Intensity-Modulated Radiotherapy for Prostate Cancer: Patterns of Care and Early Toxicity. Journal Of The National Cancer Institute 2012, 105: 25-32. PMID: 23243199, PMCID: PMC3536640, DOI: 10.1093/jnci/djs463.Peer-Reviewed Original ResearchConceptsIntensity-modulated radiotherapyProstate cancerMedicare beneficiariesGenitourinary toxicityEarly toxicityProton radiotherapyMultivariable logistic regressionPatterns of careMain outcome measuresType of radiotherapyMedicare reimbursementClinical benefitRetrospective studyPRT patientsOutcome measuresComprehensive cohortPRT useIMRT patientsPatientsSociodemographic characteristicsRadiotherapyCancerLogistic regressionMonthsSignificant differences