2024
Disparities in Colorectal Cancer Screening Before and After the Onset of the COVID Pandemic
Siddique S, Wang R, Gaddy J, Stempel J, Warren J, Gross C, Ma X. Disparities in Colorectal Cancer Screening Before and After the Onset of the COVID Pandemic. Journal Of General Internal Medicine 2024, 1-9. PMID: 39495455, DOI: 10.1007/s11606-024-09153-3.Peer-Reviewed Original ResearchRisk of CRCSocioeconomic statusCRC screeningArea-level socioeconomic measuresArea-level socioeconomic factorsHigher risk of CRCArea residentsColorectal cancer screeningSocial deprivation indexHigher socioeconomic statusLow socioeconomic statusEthnic minoritized populationsDifference-in-differences analysisPost-onset periodDesignRetrospective cohort studyDeprivation indexCancer screeningSocioeconomic measuresPrivately insured individualsMetropolitan area residentsCOVID pandemicScreen useAverage riskCompare disparitiesSocioeconomic factorsUSPSTF Colorectal Cancer Screening Recommendation and Uptake for Individuals Aged 45 to 49 Years
Siddique S, Wang R, Yasin F, Gaddy J, Zhang L, Gross C, Ma X. USPSTF Colorectal Cancer Screening Recommendation and Uptake for Individuals Aged 45 to 49 Years. JAMA Network Open 2024, 7: e2436358. PMID: 39361285, PMCID: PMC11450516, DOI: 10.1001/jamanetworkopen.2024.36358.Peer-Reviewed Original ResearchConceptsUS Preventive Services Task ForceUS Preventive Services Task Force recommendationsColorectal cancer screening uptakeAverage-risk individualsScreening uptakeHigher socioeconomic statusSocioeconomic statusScreening recommendationsColorectal cancerColorectal cancer screening recommendationsPreventive Services Task ForceCohort studyCancer screening recommendationsScreening uptake ratesInterrupted time series analysisLow socioeconomic statusPrivate insurance beneficiariesScreening ratesSocioeconomic disparitiesRetrospective cohort studyMain OutcomesPotential disparitiesEvaluate changesClaims dataAbsolute change
2023
Abstract C129: Impact of COVID-19 on colorectal cancer screening disparities: Results from a large commercially insured population in the United States
Siddique A, Wang R, Gaddy J, Gross C, Ma X. Abstract C129: Impact of COVID-19 on colorectal cancer screening disparities: Results from a large commercially insured population in the United States. Cancer Epidemiology Biomarkers & Prevention 2023, 32: c129-c129. DOI: 10.1158/1538-7755.disp23-c129.Peer-Reviewed Original ResearchBlue Cross Blue ShieldColorectal cancer screeningColorectal cancer screening disparitiesLow socioeconomic statusCancer screening disparitiesScreening ratesHigher socioeconomic statusSocioeconomic statusScreening disparitiesCommercially insured populationColorectal cancerColorectal cancer screening ratesImpact of COVID-19Burden of colorectal cancerColorectal cancer incidenceCancer health disparitiesCRC-related mortalityNeighborhood socioeconomic statusSocioeconomic status quintileSocial deprivation indexSocioeconomic status areasNon-Hispanic blacksNon-urgent careSocially deprived areasEthnic minoritized populationsOlder patients with chronic myeloid leukemia face suboptimal molecular testing and tyrosine kinase inhibitor adherence
Shallis R, Wang R, Zeidan A, Huntington S, Neparidze N, Stempel J, Mendez L, Di M, Ma X, Podoltsev N. Older patients with chronic myeloid leukemia face suboptimal molecular testing and tyrosine kinase inhibitor adherence. Blood Advances 2023, 7: 3213-3224. PMID: 36939371, PMCID: PMC10338212, DOI: 10.1182/bloodadvances.2022009074.Peer-Reviewed Original ResearchConceptsChronic myeloid leukemiaTKI adherenceTKI initiationOlder patientsMyeloid leukemiaEnd Results-Medicare databaseTyrosine kinase inhibitor usePolymerase chain reaction testingQuantitative polymerase chain reaction testingOlder patient populationCare of patientsHealth care accessReal-world studyReal-world evidenceLow socioeconomic statusLow-income subsidyFirst yearInfluenza vaccinationInhibitor useWorse survivalTKI treatmentMultivariable analysisPatient populationOptimal monitoringCare access
2020
Risk factors for hepatocellular carcinoma (HCC) in the northeast of the United States: results of a case–control study
Shen Y, Risch H, Lu L, Ma X, Irwin ML, Lim JK, Taddei T, Pawlish K, Stroup A, Brown R, Wang Z, Jia W, Wong L, Mayne ST, Yu H. Risk factors for hepatocellular carcinoma (HCC) in the northeast of the United States: results of a case–control study. Cancer Causes & Control 2020, 31: 321-332. PMID: 32060838, PMCID: PMC7136513, DOI: 10.1007/s10552-020-01277-1.Peer-Reviewed Original ResearchConceptsRisk of HCCCase-control studyHepatocellular carcinomaRisk factorsHCV infectionHCC riskOdds ratioHepatitis C virus antibodyUnconditional logistic regression modelsElevated HCC riskRapid case ascertainmentC virus antibodyHeavy alcohol intakeConfidence intervalsFamily cancer historyImportant risk factorRandom digit dialingLow socioeconomic statusUnhealthy lifestyle choicesLower household incomeLogistic regression modelsNSAID useAlcohol intakeCigarette smokingHigher BMI
2009
Neighborhood socioeconomic status influences the survival of elderly patients with myelodysplastic syndromes in the United States
Wang R, Gross CP, Halene S, Ma X. Neighborhood socioeconomic status influences the survival of elderly patients with myelodysplastic syndromes in the United States. Cancer Causes & Control 2009, 20: 1369-1376. PMID: 19455395, PMCID: PMC2921772, DOI: 10.1007/s10552-009-9362-7.Peer-Reviewed Original ResearchConceptsNeighborhood socioeconomic statusMyelodysplastic syndromeSocioeconomic statusElderly patientsHazard ratioMultivariate Cox proportional hazards modelCox proportional hazards modelSurvival of patientsPopulation-based studyRisk of deathRisk of mortalityProportional hazards modelImpact of SESLow socioeconomic statusCensus tractsPrognostic roleMDS patientsIndependent determinantsRefractory anemiaHistological subtypesHazards modelPatientsSES statusTractS scores