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
Abandonment 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
2015
Sex Differences in Perceived Stress and Early Recovery in Young and Middle-Aged Patients With Acute Myocardial Infarction
Xu X, Bao H, Strait K, Spertus JA, Lichtman JH, D'Onofrio G, Spatz E, Bucholz EM, Geda M, Lorenze NP, Bueno H, Beltrame JF, Krumholz HM. Sex Differences in Perceived Stress and Early Recovery in Young and Middle-Aged Patients With Acute Myocardial Infarction. Circulation 2015, 131: 614-623. PMID: 25679303, PMCID: PMC4652932, DOI: 10.1161/circulationaha.114.012826.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMiddle-aged patientsMyocardial infarctionMental health statusWorse recoveryHealth statusSex differencesBaseline stressSex-based disparitiesYears of ageMultiple health outcomesQuality of lifeGreater mental stressSex-based differencesClinical characteristicsFemale sexEarly recoveryPerceived Stress ScaleGeneral populationGreater psychological stressHealth outcomesImprovement scoresInfarctionPatientsYounger age