2019
Income disparities in needle biopsy patients prior to breast cancer surgery across physician peer groups
Killelea BK, Herrin J, Soulos PR, Pollack CE, Forman HP, Yu J, Xu X, Tannenbaum S, Wang SY, Gross CP. Income disparities in needle biopsy patients prior to breast cancer surgery across physician peer groups. Breast Cancer 2019, 27: 381-388. PMID: 31792804, PMCID: PMC7512133, DOI: 10.1007/s12282-019-01028-4.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBiopsy, NeedleBreast NeoplasmsFemaleFollow-Up StudiesHumansIncomeMastectomyPhysiciansPrognosisSEER ProgramSocioeconomic FactorsConceptsPhysician peer groupsLow-income patientsNeedle biopsyOdds ratioHigh-income patientsBreast cancer surgeryMethodsThe SurveillanceCancer surgeryIncome patientsMedicare databaseBiopsy patientsMedicare beneficiariesPatientsBiopsyLow incomeGroupDisparitiesReceiptEnd resultHigher incomeSurgeryPeer groupEpidemiologyFurther workGroup-level effectsRacial Differences in Health Care Transitions and Hospice Use at the End of Life
Wang SY, Hsu SH, Aldridge MD, Cherlin E, Bradley E. Racial Differences in Health Care Transitions and Hospice Use at the End of Life. Journal Of Palliative Medicine 2019, 22: 619-627. PMID: 30615546, PMCID: PMC6533794, DOI: 10.1089/jpm.2018.0436.Peer-Reviewed Original ResearchConceptsHealth care transitionCare transitionsEnd of lifeHospice enrollmentHospice useLife careEthnic differencesAfrican AmericansRetrospective cohort studyMonths of lifeRace/ethnic groupsPatterns of endHospice disenrollmentCohort studyNonwhite patientsWhite patientsHospice enrolleesRacial/Ethnic DifferencesMedicare beneficiariesHospice usersDisenrollment ratesMean numberRacial differencesCareAsian Americans
2017
Racial and Ethnic Disparities in Oncotype DX Test Receipt in a Statewide Population-Based Study.
Davis BA, Aminawung JA, Abu-Khalaf MM, Evans SB, Su K, Mehta R, Wang SY, Gross CP. Racial and Ethnic Disparities in Oncotype DX Test Receipt in a Statewide Population-Based Study. Journal Of The National Comprehensive Cancer Network 2017, 15: 346-354. PMID: 28275035, DOI: 10.6004/jnccn.2017.0034.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBiomarkers, TumorBreast NeoplasmsConnecticutFemaleGene Expression ProfilingGenetic TestingHealth Services AccessibilityHealthcare DisparitiesHumansLymphatic MetastasisMiddle AgedNeoplasm GradingNeoplasm StagingOdds RatioPatient Outcome AssessmentPopulation SurveillanceRegistriesRetrospective StudiesSocioeconomic FactorsYoung AdultConceptsPopulation-based studyOncotype DXODX testingBreast cancerHispanic womenHormone receptor-positive breast cancerReceptor-positive breast cancerRetrospective population-based studyWhite womenRacial disparitiesGEP test resultsBreast cancer careBreast cancer outcomesStudy inclusion criteriaGene expression profiling testsMore white womenClinical characteristicsTest receiptCancer outcomesCancer careInclusion criteriaLogistic analysisEthnic disparitiesStatewide populationWomenInformation Needs of Older Women With Early-Stage Breast Cancer When Making Radiation Therapy Decisions
Wang SY, Kelly G, Gross C, Killelea BK, Mougalian S, Presley C, Fraenkel L, Evans SB. Information Needs of Older Women With Early-Stage Breast Cancer When Making Radiation Therapy Decisions. International Journal Of Radiation Oncology • Biology • Physics 2017, 98: 733-740. PMID: 28366581, PMCID: PMC5468466, DOI: 10.1016/j.ijrobp.2017.02.001.Peer-Reviewed Original ResearchConceptsRadiation therapy decisionsEarly-stage breast cancerTherapy decisionsOlder womenRadiation therapyBreast cancerSide effectsAdjuvant radiation therapyBreast cancer careBreast cancer survivorsCancer survivorsMean ageCancer careCancer needsResponse rateProfessional Advisory CommitteeTherapyWomenCancerAdvisory CommitteeParticipantsYearsWide variationLumpectomyMain decision makers
2016
Continuous Home Care Reduces Hospice Disenrollment and Hospitalization After Hospice Enrollment
Wang SY, Aldridge MD, Canavan M, Cherlin E, Bradley E. Continuous Home Care Reduces Hospice Disenrollment and Hospitalization After Hospice Enrollment. Journal Of Pain And Symptom Management 2016, 52: 813-821. PMID: 27697564, PMCID: PMC5154927, DOI: 10.1016/j.jpainsymman.2016.05.031.Peer-Reviewed Original ResearchConceptsHospice disenrollmentHospice enrollmentPatient characteristicsContinuous home careCHC utilizationMinority of patientsHome careMore comorbiditiesMultivariable analysisMultivariable modelHospice carePatientsHospitalizationService MedicareHospice agenciesHospiceDisenrollmentExpensive careStudy periodCareEnrollmentAssociationComorbiditiesCancer
2015
The Role of Patient Factors, Cancer Characteristics, and Treatment Patterns in the Cost of Care for Medicare Beneficiaries with Breast Cancer
Xu X, Herrin J, Soulos PR, Saraf A, Roberts KB, Killelea BK, Wang SY, Long JB, Wang R, Ma X, Gross CP. The Role of Patient Factors, Cancer Characteristics, and Treatment Patterns in the Cost of Care for Medicare Beneficiaries with Breast Cancer. Health Services Research 2015, 51: 167-186. PMID: 26119176, PMCID: PMC4722219, DOI: 10.1111/1475-6773.12328.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBreast NeoplasmsComorbidityFemaleHealth ExpendituresHumansMedicareRetrospective StudiesSEER ProgramSocioeconomic FactorsUnited StatesConceptsBreast cancer careHospital referral regionsCancer careMedicare expendituresBreast cancerRadiation therapyTreatment factorsMean Medicare expendituresEnd Results-MedicareSpecific treatment modalitiesContribution of patientCost of careHighest spending quintilePatient factorsTreatment patternsTumor characteristicsCancer characteristicsTreatment modalitiesReferral regionsMedicare beneficiariesQuintilePatientsCancerCareTherapy
2014
Understanding Regional Variation in Medicare Expenditures for Initial Episodes of Prostate Cancer Care
Wang SY, Wang R, Yu JB, Ma X, Xu X, Kim SP, Soulos PR, Saraf A, Gross CP. Understanding Regional Variation in Medicare Expenditures for Initial Episodes of Prostate Cancer Care. Medical Care 2014, 52: 680-687. PMID: 25023913, PMCID: PMC4129645, DOI: 10.1097/mlr.0000000000000158.Peer-Reviewed Original ResearchConceptsAncillary proceduresPatient characteristicsTreatment modalitiesTreatment intensityEnd Results-Medicare databaseProstate cancer careSpecific treatment modalitiesContribution of patientHospital referral regionsInitial treatmentCancer careInitial episodeNoncancer controlsProstate cancerQuintile 5Referral regionsSubstantial geographic variationCare costsMedicare expendituresCostly modalityTreatment factorsMean expenditureLowest expenditure quintileSurgeryModalities
2010
Association Between Patient and Tumor Characteristics With Clinical Outcomes in Women With Ductal Carcinoma In Situ
Shamliyan T, Wang SY, Virnig BA, Tuttle TM, Kane RL. Association Between Patient and Tumor Characteristics With Clinical Outcomes in Women With Ductal Carcinoma In Situ. JNCI Monographs 2010, 2010: 121-129. PMID: 20956815, PMCID: PMC5161074, DOI: 10.1093/jncimonographs/lgq034.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedBody Mass IndexBreast NeoplasmsCarcinoma, Intraductal, NoninfiltratingFemaleGonadal Steroid HormonesHumansMammographyMenopauseNeoplasm Recurrence, LocalNeoplasms, Hormone-DependentPrognosisRacial GroupsRandomized Controlled Trials as TopicReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRiskSocioeconomic FactorsTreatment OutcomeTumor BurdenConceptsDuctal carcinomaClinical outcomesRecurrent cancerTumor characteristicsWorse outcomesNegative estrogen receptor statusAdvanced recurrent cancerPositive surgical marginsEstrogen receptor statusLarger tumor sizeHigh-risk categoryComposite prognostic indicesReceptor statusSurgical marginsPrognostic indexTumor sizeComedo necrosisPathological gradingClinical trialsObservational studyHigh riskHER2 receptorSynthesis of evidenceHigh mortalityYoung women