2020
Quantifying treatment selection bias effect on survival in comparative effectiveness research: findings from low-risk prostate cancer patients
Miccio JA, Talcott WJ, Jairam V, Park HS, Yu JB, Leapman MS, Johnson SB, King MT, Nguyen PL, Kann BH. Quantifying treatment selection bias effect on survival in comparative effectiveness research: findings from low-risk prostate cancer patients. Prostate Cancer And Prostatic Diseases 2020, 24: 414-422. PMID: 32989262, DOI: 10.1038/s41391-020-00291-3.Peer-Reviewed Original ResearchConceptsProstate cancer-specific survivalLow-risk prostate cancerExternal beam radiotherapyTreatment selection biasOverall survivalRadical prostatectomyProstate cancerOS differenceLow-risk prostate cancer patientsCancer-specific survivalEnd Results (SEER) databaseProstate cancer patientsClinical trial designEffectiveness researchComparative effectiveness researchPropensity-score matchingMethodsThe SurveillanceTreatment guidelinesResults databaseEntire cohortResultsA totalCancer patientsTreatment modalitiesNational registryPatient management
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 ResearchConceptsPhysician peer groupsLow-income patientsNeedle biopsyOdds ratioHigh-income patientsBreast cancer surgeryMethodsThe SurveillanceCancer surgeryIncome patientsMedicare databaseBiopsy patientsMedicare beneficiariesPatientsBiopsyLow incomeGroupDisparitiesReceiptEnd resultHigher incomeSurgeryPeer groupEpidemiologyFurther workGroup-level effects
2018
Androgen deprivation therapy and risk of rheumatoid arthritis in patients with localized prostate cancer
Yang D, Krasnova A, Nead K, Choueiri T, Hu J, Hoffman K, Yu J, Spratt D, Feng F, Trinh Q, Nguyen P. Androgen deprivation therapy and risk of rheumatoid arthritis in patients with localized prostate cancer. Annals Of Oncology 2018, 29: 386-391. PMID: 29267861, DOI: 10.1093/annonc/mdx744.Peer-Reviewed Original ResearchConceptsAndrogen deprivation therapyDuration of androgen deprivation therapyProstate cancerIncreased riskRheumatoid arthritisDeprivation therapyAutoimmune conditionsAdverse effects of ADTStage I-III prostate cancerEffects of androgen deprivation therapyCompeting risks Cox regressionPharmacological androgen deprivation therapyRA diagnosisLocalized prostate cancerKaplan-Meier ratesRisks Cox regressionInverse probability of treatment weightingProbability of treatment weightingHistory of RACohort of elderly menDiagnosis of RARisk of rheumatoid arthritisUntreated hypogonadismImmunosuppressive propertiesAutoimmune diseases
2017
Prostate cancer outcomes for men aged younger than 65 years with Medicaid versus private insurance
Mahal A, Mahal B, Nguyen P, Yu J. Prostate cancer outcomes for men aged younger than 65 years with Medicaid versus private insurance. Cancer 2017, 124: 752-759. PMID: 29084350, DOI: 10.1002/cncr.31106.Peer-Reviewed Original ResearchConceptsProstate cancer-specific mortalityMetastatic diseaseCancer-specific mortalityProstate cancer outcomesOutcomes of patientsMedicaid insuranceEnd Results ProgramReceipt of therapyStage of diseaseAfrican American patientsInsurance statusPrivately insured cohortDefinitive treatmentProstate cancerLocalized CaPResults ProgramPrivate insuranceCAP outcomesCancer outcomesAmerican patientsPatientsProstateRacial disparitiesAssociated with raceAssociated with racial disparitiesRacial disparities in prostate cancer outcome among prostate-specific antigen screening eligible populations in the United States
Mahal B, Chen Y, Muralidhar V, Mahal A, Choueiri T, Hoffman K, Hu J, Sweeney C, Yu J, Feng F, Kim S, Beard C, Martin N, Trinh Q, Nguyen P. Racial disparities in prostate cancer outcome among prostate-specific antigen screening eligible populations in the United States. Annals Of Oncology 2017, 28: 1098-1104. PMID: 28453693, DOI: 10.1093/annonc/mdx041.Peer-Reviewed Original ResearchConceptsProstate cancer-specific mortalityProstate-specific antigenUnited States Preventive Services Task ForceRisk of prostate cancer-specific mortalityProstate cancer outcomesBlack raceMetastatic diseaseCancer outcomesProstate-specific antigen screeningRate of metastatic diseasePSA screening guidelinesCancer-specific mortalityRisk of poor outcomesStage of presentationPreventive Services Task ForceScreening-eligible ageMultivariate logistic regressionEligible populationNon-black menSEER databaseProstate cancerBlack menScreening guidelinesPoor outcomeRisk regression
2014
Considerations for Observational Research Using Large Data Sets in Radiation Oncology
Jagsi R, Bekelman J, Chen A, Chen R, Hoffman K, Shih Y, Smith B, Yu J. Considerations for Observational Research Using Large Data Sets in Radiation Oncology. International Journal Of Radiation Oncology • Biology • Physics 2014, 90: 11-24. PMID: 25195986, PMCID: PMC4159773, DOI: 10.1016/j.ijrobp.2014.05.013.Peer-Reviewed Original ResearchMeSH KeywordsChecklistComparative Effectiveness ResearchDatabases, FactualDiffusion of InnovationHealth Care CostsHealth Services ResearchHealth SurveysInsurance Claim ReviewMedicareNeoplasmsNomogramsObservational Studies as TopicProfessional PracticePropensity ScorePublication BiasRadiation OncologyRare DiseasesRegistriesResearch DesignSEER ProgramUnited StatesConceptsRadiation oncology communityRadiation oncologyObservational researchHealth services researchObservational studyWell-designed observational studiesOncology communityField of radiation oncologyHealth careServices researchEvaluate causalityObservational analysisData sourcesInternational Journal of Radiation OncologyMethodological expertiseRadiation oncology researchEvaluate evidenceRecognition of limitationsOncologyClinical trialsPotential data sourcesResearch questionsOncology researchHealthMethodological considerations
2010
Analysis of pathologic extent of disease for clinically localized prostate cancer after radical prostatectomy and subsequent use of adjuvant radiation in a national cohort
Schreiber D, Rineer J, Yu J, Olsheski M, Nwokedi E, Schwartz D, Choi K, Rotman M. Analysis of pathologic extent of disease for clinically localized prostate cancer after radical prostatectomy and subsequent use of adjuvant radiation in a national cohort. Cancer 2010, 116: 5757-5766. PMID: 20737571, DOI: 10.1002/cncr.25561.Peer-Reviewed Original ResearchConceptsProstate-specific antigenClinically localized prostate cancerPositive surgical marginsLocalized prostate cancerAdjuvant radiationRadical prostatectomySurgical marginsProstate cancerPathologic extentRate of organ-confined diseaseProstate-specific antigen levelRisk of extraprostatic extensionPatterns of care studyOrgan-confined diseaseNegative surgical marginsEnd Results databaseLogistic regression analysisPopulation-based studyExtraprostatic diseaseExtraprostatic extensionGleason 7Gleason 8Postoperative radiationProstatic adenocarcinomaResults database