2009
Racial Differences in Definitive Breast Cancer Therapy in Older Women
Keating NL, Kouri E, He Y, Weeks JC, Winer EP. Racial Differences in Definitive Breast Cancer Therapy in Older Women. Medical Care 2009, 47: 765-773. PMID: 19536008, DOI: 10.1097/mlr.0b013e31819e1fe7.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedBlack or African AmericanBreast NeoplasmsChi-Square DistributionFemaleHealth Services ResearchHealthcare DisparitiesHospitalsHumansLogistic ModelsMastectomyMedicareMultivariate AnalysisPractice Patterns, Physicians'Quality of Health CareSEER ProgramSensitivity and SpecificitySocioeconomic FactorsUnited StatesWhite PeopleConceptsHigh-volume hospitalsDefinitive primary therapyHigh-quality hospitalsBreast-conserving surgeryBreast cancer therapyBreast cancerPrimary therapyWhite womenRacial disparitiesStage I/II breast cancerBlack womenPrimary breast cancer therapyEarly-stage breast cancerLow-volume hospitalsBreast cancer patientsBreast cancer surgeryPatterns of careSEER-Medicare databaseCancer therapyPopulation-based sampleOlder Black womenDefinitive therapyVolume hospitalsCancer surgeryCancer patients
2007
Care in the Months before Death and Hospice Enrollment Among Older Women with Advanced Breast Cancer
Keating NL, Landrum MB, Guadagnoli E, Winer EP, Ayanian JZ. Care in the Months before Death and Hospice Enrollment Among Older Women with Advanced Breast Cancer. Journal Of General Internal Medicine 2007, 23: 11-18. PMID: 17939006, PMCID: PMC2173914, DOI: 10.1007/s11606-007-0422-y.Peer-Reviewed Original ResearchConceptsTypes of physiciansAdvanced breast cancerWeeks of deathHospice useOutpatient visitsCancer specialistsBreast cancerOlder womenStage III/IV breast cancerEnd Results-Medicare databaseAdvanced breast cancer patientsBreast cancer patientsPrimary care providersPopulation-based sampleTiming of enrollmentHospice referralPatient characteristicsHospice enrollmentHospitalized patientsCancer careCancer patientsAdjusted ratesCare providersHospitalizationPatients
2006
Factors Related to Underuse of Surveillance Mammography Among Breast Cancer Survivors
Keating NL, Landrum MB, Guadagnoli E, Winer EP, Ayanian JZ. Factors Related to Underuse of Surveillance Mammography Among Breast Cancer Survivors. Journal Of Clinical Oncology 2006, 24: 85-94. PMID: 16382117, DOI: 10.1200/jco.2005.02.4174.Peer-Reviewed Original ResearchConceptsBreast cancer survivorsSurveillance mammographyCancer survivorsMonth 7Elderly breast cancer survivorsEnd Results-Medicare dataOlder breast cancer survivorsAnnual surveillance mammographyPrimary surgical therapyRepeated-measures logistic regressionLower mammography ratesQuarter of womenPopulation-based sampleService Medicare enrolleesBreast cancer diagnosisSurgical therapyAnnual mammographyGuideline recommendationsMedical oncologistsMultivariable analysisNonclinical factorsMammography ratesBreast cancerMammography useStage I
2005
The association of ambulatory care with breast cancer stage at diagnosis among medicare beneficiaries
Keating NL, Landrum MB, Ayanian JZ, Winer EP, Guadagnoli E. The association of ambulatory care with breast cancer stage at diagnosis among medicare beneficiaries. Journal Of General Internal Medicine 2005, 20: 38-44. PMID: 15693926, PMCID: PMC1490029, DOI: 10.1111/j.1525-1497.2004.40079.x.Peer-Reviewed Original ResearchConceptsPrimary care physiciansCare physiciansBreast cancer diagnosisAdvanced cancerOutpatient careNumber of visitsMedical specialistsAdvanced stage diagnosisPreventive care visitsRetrospective cohort studyCancer diagnosisBreast cancer stagePercent of womenPopulation-based sampleCare visitsCohort studyCancer RegistryCancer stageUse of servicesElderly womenAdjusted ratesBreast cancerLower median incomeAmbulatory careHigh risk
2003
Consultation with a medical oncologist before surgery and type of surgery among elderly women with early-stage breast cancer.
Keating NL, Landrum MB, Ayanian JZ, Winer EP, Guadagnoli E. Consultation with a medical oncologist before surgery and type of surgery among elderly women with early-stage breast cancer. Journal Of Clinical Oncology 2003, 21: 4532-9. PMID: 14673040, DOI: 10.1200/jco.2003.05.131.Peer-Reviewed Original ResearchConceptsBreast-conserving surgeryDefinitive surgeryMedical oncologistsType of surgeryElderly womenAxillary dissectionBreast cancerEarly-stage breast cancerGuideline-recommended careRetrospective cohort studyAxillary node dissectionBreast cancer treatmentPercent of womenPopulation-based sampleComorbid illnessesNode dissectionCohort studyGuideline recommendationsDifferentiated cancerTeaching hospitalAdjusted proportionSurgeryOncologistsCancer treatmentWomen