2022
Evaluation of social connectedness, loneliness, and anxiety among cancer survivors during the 2020-2021 winter surge of COVID-19 pandemic.
Poghosyan H, Yu J. Evaluation of social connectedness, loneliness, and anxiety among cancer survivors during the 2020-2021 winter surge of COVID-19 pandemic. Journal Of Clinical Oncology 2022, 40: 12061-12061. DOI: 10.1200/jco.2022.40.16_suppl.12061.Peer-Reviewed Original ResearchDecreased social connectednessCancer survivorsSocial connectednessIncreased feelingsSelf-reported socio-demographicSelf-reported cancer historySelf-reportWinter surgeComplex survey designSelf-reported raceCross-sectional studyMultivariate logistic regressionSurge of COVID-19Levels of stressCancer historyHealth careMental healthMedicare beneficiariesHigher oddsSocio-demographicMetropolitan residentsLogistic regressionPhone surveyLimited researchSurvey design
2021
Geographic Access to Radiation Therapy Facilities in the United States
Maroongroge S, Wallington D, Taylor P, Zhu D, Guadagnolo B, Smith B, Yu J, Ballas L. Geographic Access to Radiation Therapy Facilities in the United States. International Journal Of Radiation Oncology • Biology • Physics 2021, 112: 600-610. PMID: 34762972, DOI: 10.1016/j.ijrobp.2021.10.144.Peer-Reviewed Original ResearchConceptsRadiation therapyRT facilitiesGeographic accessOlder median ageRadiation therapy facilitiesMeasures of geographic accessU.S. populationMedian ageRT accessZIP Code Tabulation AreasState purposesLogistic regressionTherapy facilitiesHigher incomeLinear acceleratorPercentage pointsImprove accessPopulation-level measuresUnited States
2019
Early Impact of the Affordable Care Act and Medicaid Expansion on Racial and Socioeconomic Disparities in Cancer Care
Mahal A, Chavez J, Yang D, Kim D, Cole A, Hu J, Trinh Q, Yu J, Nguyen P, Mahal B. Early Impact of the Affordable Care Act and Medicaid Expansion on Racial and Socioeconomic Disparities in Cancer Care. American Journal Of Clinical Oncology 2019, 43: 163-167. PMID: 31904711, DOI: 10.1097/coc.0000000000000588.Peer-Reviewed Original ResearchConceptsAffordable Care ActAffordable Care Act implementationMedicaid expansionUninsured rateCare ActInsurance coverageInsurance coverage gapsMultivariate logistic regressionCoverage gapSocioeconomic disparitiesCare objectivesSociodemographic disparitiesRacial disparitiesLow-incomeNonelderly adultsLogistic regressionMedicaidBlack patientsDisparitiesEarly impactInsurancePotential benefitsPatientsCancerAffordability
2017
Outcomes for men under 65 with high-risk prostate cancer with Medicaid versus private insurance.
Mahal A, Mahal B, Nguyen P, Yu J. Outcomes for men under 65 with high-risk prostate cancer with Medicaid versus private insurance. Journal Of Clinical Oncology 2017, 35: 198-198. DOI: 10.1200/jco.2017.35.6_suppl.198.Peer-Reviewed Original ResearchProstate cancer-specific mortalityHigh-risk prostate cancerProstate cancerTreatment of high-risk prostate cancerInsurance statusCompeting-risks regression modelsHigh-risk CaPPrivately insured menGray's competing-risks regression modelHigh-risk diseaseCancer-specific mortalityEnd Results ProgramMultivariate logistic regressionMetastatic diseaseNon-black menResults ProgramPrivate insuranceInsured menAfrican American menLogistic regressionMetSOutcomesCancerMenMore-than-additive effect
2012
Proton radiotherapy for prostate cancer in the Medicare population: Patterns of care and comparison of early toxicity with IMRT.
Yu J, Soulos P, Cramer L, Roberts K, Herrin J, Potosky A, Gross C. Proton radiotherapy for prostate cancer in the Medicare population: Patterns of care and comparison of early toxicity with IMRT. Journal Of Clinical Oncology 2012, 30: 4651-4651. DOI: 10.1200/jco.2012.30.15_suppl.4651.Peer-Reviewed Original ResearchProstate cancer patientsSix monthsShort-term toxicityOne-yearCancer patientsPRT patientsProstate cancerProton radiotherapyLogistic regressionTreatment-related complicationsOne-year outcomesCumulative complication rateMultivariable logistic regressionPatient-reported outcomesPatterns of careConditional logistic regressionHigher socioeconomic statusGU complicationsGU toxicityComplication rateEarly toxicityDiagnosis codesLong-term effectsRadiation therapyMedicare population