2008
Response: Re: Residual Treatment Disparities After Oncology Referral for Rectal Cancer
Morris A, Billingsley K, Hayanga A, Matthews B, Baldwin L, Birkmeyer J. Response: Re: Residual Treatment Disparities After Oncology Referral for Rectal Cancer. Journal Of The National Cancer Institute 2008, 100: 1740-1740. PMID: 18477800, PMCID: PMC2766763, DOI: 10.1093/jnci/djn396.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlack or African AmericanChemotherapy, AdjuvantConfidence IntervalsDecision MakingFemaleHealth Services AccessibilityHealthcare DisparitiesHumansLogistic ModelsMaleMedical OncologyMedical Record LinkageMedicareNeoplasm StagingPractice Patterns, Physicians'Radiation OncologyRadiotherapy, AdjuvantRectal NeoplasmsReferral and ConsultationSEER ProgramUnited StatesWhite PeopleConceptsRectal cancerAdjuvant therapyBlack patientsWhite patientsRadiation oncologistsAdjuvant treatmentMedical oncologistsEnd Results-Medicare dataProvider decision makingPatient-provider interactionsFrequency of consultationsLow treatment ratesClinical characteristicsElderly patientsConsultation ratesOncology referralTreatment disparitiesPatient preferencesProvider characteristicsRadiation therapyPatientsOncologistsTherapyStage IITreatment ratesSurvival benefits and trends in use of adjuvant therapy among elderly stage II and III rectal cancer patients in the general population
Dobie S, Warren J, Matthews B, Schwartz D, Baldwin L, Billingsley K. Survival benefits and trends in use of adjuvant therapy among elderly stage II and III rectal cancer patients in the general population. Cancer 2008, 112: 789-799. PMID: 18189291, PMCID: PMC3103394, DOI: 10.1002/cncr.23244.Peer-Reviewed Original ResearchConceptsStage II patientsRectal cancer patientsStage III patientsII patientsCancer patientsStage IIAdjuvant radiationAdjuvant therapyIII patientsGeneral populationStage II rectal cancer patientsLower cancer-related mortalityReceipt of chemoradiationCancer mortality riskCancer-related mortalityMultivariate logistic regressionAdjusted riskAdjuvant chemoradiationChemotherapy receiptSurgical resectionSurvival benefitSEER-MedicareTherapy adherencePatient groupRadiation therapy
2007
Reoperation as a Quality Indicator in Colorectal Surgery
Morris A, Baldwin L, Matthews B, Dominitz J, Barlow W, Dobie S, Billingsley K. Reoperation as a Quality Indicator in Colorectal Surgery. Annals Of Surgery 2007, 245: 73-79. PMID: 17197968, PMCID: PMC1867944, DOI: 10.1097/01.sla.0000231797.37743.9f.Peer-Reviewed Original ResearchConceptsColorectal cancer patientsPostoperative proceduresPatient characteristicsCancer patientsProcedural interventionColorectal cancer surgeryAcute medical conditionsSEER-Medicare databaseLength of stayIntermediate outcome measuresQuality Improvement ProgramNonfatal complicationsAdjusted riskBowel perforationEmergent admissionPostoperative complicationsPostoperative interventionsWound complicationsAbdominal infectionColorectal surgeryOrgan injuryProlonged hospitalizationCancer surgeryTumor characteristicsEarly mortality
2006
Completion of Therapy by Medicare Patients With Stage III Colon Cancer
Dobie S, Baldwin L, Dominitz J, Matthews B, Billingsley K, Barlow W. Completion of Therapy by Medicare Patients With Stage III Colon Cancer. Journal Of The National Cancer Institute 2006, 98: 610-619. PMID: 16670386, PMCID: PMC3124351, DOI: 10.1093/jnci/djj159.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, AdjuvantColonic NeoplasmsFemaleFrail ElderlyHumansLogistic ModelsMaleMedicareNeoplasm StagingPatient CompliancePredictive Value of TestsReproducibility of ResultsRisk FactorsSEER ProgramSocial SupportUnited StatesConceptsStage III colon cancerCompletion of therapyAdjuvant chemotherapyAdjuvant therapyChemotherapy completionPhysician characteristicsMedicare claimsColon cancerStage III colon cancer patientsEnd Results program dataMultivariable logistic regression modelingAdjuvant chemotherapy completionChemotherapy completion rateIncomplete adjuvant chemotherapySEER program dataColon cancer resectionCancer-related mortalityPredictors of initiationColon cancer patientsLogistic regression modelingProgram dataPatient characteristicsCancer resectionTreatment complicationsCancer mortality
2005
Explaining Black–White Differences in Receipt of Recommended Colon Cancer Treatment
Baldwin L, Dobie S, Billingsley K, Cai Y, Wright G, Dominitz J, Barlow W, Warren J, Taplin S. Explaining Black–White Differences in Receipt of Recommended Colon Cancer Treatment. Journal Of The National Cancer Institute 2005, 97: 1211-1220. PMID: 16106026, PMCID: PMC3138542, DOI: 10.1093/jnci/dji241.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlack or African AmericanChemotherapy, AdjuvantCohort StudiesColonic NeoplasmsComorbidityFemaleHealth Services AccessibilityHumansLength of StayMaleMedicareOdds RatioPractice Patterns, Physicians'Retrospective StudiesRisk FactorsSEER ProgramSeverity of Illness IndexSocial SupportSocioeconomic FactorsUnited StatesWhite PeopleConceptsHealth system factorsBlack-White disparitiesChemotherapy receiptWhite patientsMedical oncologistsBlack patientsCancer treatmentRetrospective cohort studyBlack-white differencesColon cancer resectionAmerican Medical Association MasterfileEnd Results ProgramColorectal cancer treatmentColon cancer careColon cancer patientsLogistic regression analysisSystem factorsRegression analysisNeighborhood socioeconomic statusColon cancer treatmentAdjuvant chemotherapyChemotherapy useCohort studyCancer resectionIllness severity
2004
Racial Disparities in Rectal Cancer Treatment: A Population-Based Analysis
Morris A, Billingsley K, Baxter N, Baldwin L. Racial Disparities in Rectal Cancer Treatment: A Population-Based Analysis. JAMA Surgery 2004, 139: 151-155. PMID: 14769572, DOI: 10.1001/archsurg.139.2.151.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overBlack PeopleCohort StudiesColectomyConfidence IntervalsCross-Sectional StudiesFemaleHealth Care SurveysHumansIncidenceLogistic ModelsMaleMiddle AgedNeoplasm StagingOdds RatioPostoperative ComplicationsProbabilityRectal NeoplasmsRisk FactorsSEER ProgramSex FactorsSocioeconomic FactorsSurvival AnalysisUnited StatesWhite PeopleConceptsRectal cancer patientsRectal cancerCancer patientsRadiation therapyCross-sectional cohort studyRadiation treatmentRacial disparitiesEnd Results (SEER) databaseSphincter-sparing proceduresRectal cancer treatmentAdvanced disease stagePopulation-based dataDelivery of careSignificant racial disparitiesAdvanced diseaseAggressive screeningCohort studySurgical therapyPelvic cancerSurveillance EpidemiologyResults databaseTreatment disparitiesDisease stageMinority patientsSurgical care