2015
Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign
Makarov DV, Soulos PR, Gold HT, Yu JB, Sen S, Ross JS, Gross CP. Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign. JAMA Oncology 2015, 1: 185-194. PMID: 26181021, PMCID: PMC4707944, DOI: 10.1001/jamaoncol.2015.37.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBreast NeoplasmsCatchment Area, HealthChi-Square DistributionDiagnostic ImagingFemaleGuideline AdherenceHumansLogistic ModelsMaleMedicareMultivariate AnalysisPractice Guidelines as TopicPractice Patterns, Physicians'Predictive Value of TestsProstatic NeoplasmsResidence CharacteristicsRetrospective StudiesRisk FactorsSEER ProgramUnited StatesUnnecessary ProceduresConceptsLow-risk prostate cancerProstate cancerBreast cancerProstate cancer imagingFourth quartileLow-risk breast cancerBreast cancer imagingLow-risk prostateEnd Results-MedicareRetrospective cohort studyMultivariable logistic regressionChoosing Wisely campaignPatient-level analysisAppropriateness of careHospital referral regionsCancer imagingQuality of careInappropriate imagingCohort studyWisely campaignHealth care spendingLowest quartileOdds ratioPatient levelHRR levelOlder Women With Localized Breast Cancer: Costs And Survival Rates Increased Across Two Time Periods
Feinstein AJ, Long J, Soulos PR, Ma X, Herrin J, Frick KD, Chagpar AB, Krumholz HM, Yu JB, Ross JS, Gross CP. Older Women With Localized Breast Cancer: Costs And Survival Rates Increased Across Two Time Periods. Health Affairs 2015, 34: 592-600. PMID: 25847641, DOI: 10.1377/hlthaff.2014.1119.Peer-Reviewed Original ResearchConceptsStage II diseaseStage III diseaseCancer-related costsCancer careBreast cancerMedian costSurvival rateEnd Results Program-MedicareFive-year survivalCancer care costsBreast surgerySurvival outcomesImproved outcomesOlder womenRadiation therapyCare costsStage IIDiseaseStudy periodWomenCancerCareSignificant national attentionOutcomesPercent
2014
Evolution of Breast Cancer Screening in the Medicare Population: Clinical and Economic Implications
Killelea BK, Long JB, Chagpar AB, Ma X, Wang R, Ross JS, Gross CP. Evolution of Breast Cancer Screening in the Medicare Population: Clinical and Economic Implications. Journal Of The National Cancer Institute 2014, 106: dju159. PMID: 25031307, PMCID: PMC4155428, DOI: 10.1093/jnci/dju159.Peer-Reviewed Original ResearchConceptsEnd Results-MedicareBreast cancer stageCohort of womenEarly-stage tumorsBreast cancer screeningAdjunct imagingSignificant changesCancer screeningCancer stageIncidence rateBreast cancerAdjunct procedureOlder womenMedicare populationMedicare beneficiariesClinical practiceComputer-aided detectionPoisson regressionNational feeCohortBreast ultrasoundWomenEarlier cohortsLater cohortsMedicare spending
2013
The cost implications of prostate cancer screening in the Medicare population
Ma X, Wang R, Long JB, Ross JS, Soulos PR, Yu JB, Makarov DV, Gold HT, Gross CP. The cost implications of prostate cancer screening in the Medicare population. Cancer 2013, 120: 96-102. PMID: 24122801, PMCID: PMC3867600, DOI: 10.1002/cncr.28373.Peer-Reviewed Original ResearchConceptsProstate cancerScreening costsAnnual screening costsPopulation-based cohortProstate cancer screeningHospital referral region levelMale Medicare beneficiariesProstate-specific antigenCancer screeningLowest quartileHRR levelMedicare populationMedicare beneficiariesOlder menNational feeCancerService Medicare programCancer diagnosisMenQuartilePSACost implicationsAnnual expenditureMedicare programBiopsyTrends and clinical implications of preoperative breast MRI in Medicare beneficiaries with breast cancer
Killelea BK, Long JB, Chagpar AB, Ma X, Soulos PR, Ross JS, Gross CP. Trends and clinical implications of preoperative breast MRI in Medicare beneficiaries with breast cancer. Breast Cancer Research And Treatment 2013, 141: 155-163. PMID: 23942872, PMCID: PMC3893026, DOI: 10.1007/s10549-013-2656-1.Peer-Reviewed Original ResearchConceptsPreoperative breast magnetic resonance imagingBreast magnetic resonance imagingBreast-conserving surgeryMagnetic resonance imagingBreast cancerSurgical approachBilateral cancerMRI useOlder womenAssociation of MRIEnd Results-Medicare databasePreoperative MRI useContralateral prophylactic mastectomyType of surgeryCohort of womenBilateral mastectomyUnilateral mastectomyProphylactic mastectomyMastectomyMedicare beneficiariesSurgeryResonance imagingClinical implicationsCancerInvasive surgeryAge-based and Sex-based Disparities in Screening Colonoscopy Use Among Medicare Beneficiaries
Gancayco J, Soulos PR, Khiani V, Cramer LD, Ross JS, Genao I, Tinetti M, Gross CP. Age-based and Sex-based Disparities in Screening Colonoscopy Use Among Medicare Beneficiaries. Journal Of Clinical Gastroenterology 2013, 47: 630-636. PMID: 23619827, DOI: 10.1097/mcg.0b013e31828345c8.Peer-Reviewed Original ResearchConceptsColonoscopy useScreening colonoscopyColonoscopy ratesLife expectancyMedicare beneficiariesOlder personsColorectal cancer incidencePatient demographic characteristicsLow screening ratesSex-based disparitiesShort life expectancySex-based differencesLonger life expectancyPatients 68Older patientsPatients 75Screening ratesCancer incidenceLarge cohortMedicare claimsColonoscopyMedicare dataPatientsPoisson regressionLife table approach