2023
Parent Priorities in End-of-Life Care for Children With Cancer
Ananth P, Lindsay M, Mun S, McCollum S, Shabanova V, de Oliveira S, Pitafi S, Kirch R, Ma X, Gross C, Boyden J, Feudtner C, Wolfe J. Parent Priorities in End-of-Life Care for Children With Cancer. JAMA Network Open 2023, 6: e2313503. PMID: 37184834, PMCID: PMC10878399, DOI: 10.1001/jamanetworkopen.2023.13503.Peer-Reviewed Original Research
2021
Refining Patient-Centered Measures of End-of-Life Care Quality for Children With Cancer
Ananth P, Mun S, Reffat N, Kang SJ, Pitafi S, Ma X, Gross CP, Wolfe J. Refining Patient-Centered Measures of End-of-Life Care Quality for Children With Cancer. JCO Oncology Practice 2021, 18: e372-e382. PMID: 34613797, PMCID: PMC8932486, DOI: 10.1200/op.21.00447.Peer-Reviewed Original ResearchMeSH KeywordsChildCross-Sectional StudiesDelphi TechniqueHumansNeoplasmsPatient-Centered CareTerminal CareConceptsMedian importance scoresPalliative care consultationHealth care usePatient-reported outcomesCross-sectional electronic surveyLife care qualityPatient-centered measuresHealth care teamHealth care professionalsHealth care resourcesCandidate quality measuresCancer stakeholdersSymptom screeningCare consultationsCare useCare teamLife careCare professionalsPatient needsCare resourcesFamily stakeholdersCare qualityMedian scoreQuality measuresElectronic surveyA Stakeholder-Driven Qualitative Study to Define High Quality End-of-Life Care for Children With Cancer
Ananth P, Mun S, Reffat N, Li R, Sedghi T, Avery M, Snaman J, Gross CP, Ma X, Wolfe J. A Stakeholder-Driven Qualitative Study to Define High Quality End-of-Life Care for Children With Cancer. Journal Of Pain And Symptom Management 2021, 62: 492-502. PMID: 33556497, PMCID: PMC8339188, DOI: 10.1016/j.jpainsymman.2021.01.134.Peer-Reviewed Original ResearchConceptsHigh-quality endQuality EOLCAdvanced cancerSymptom managementLife careQuality endLocation of deathMulticenter qualitative studyAvoidance of hospitalizationPerson-centered measuresCancer stakeholdersEnd of lifeSupportive careMechanical ventilationParents of childrenEmergency departmentInterdisciplinary careInterdisciplinary healthcare professionalsCardiopulmonary resuscitationHospice careQualitative studyCancerHealthcare professionalsFamily preferencesYoung adults
2020
Reply to comments on: Lifestyles and myeloproliferative neoplasms with special reference to coffee consumption
Podoltsev NA, Wang X, Wang R, Hofmann JN, Liao LM, Zeidan AM, Mesa R, Ma X. Reply to comments on: Lifestyles and myeloproliferative neoplasms with special reference to coffee consumption. International Journal Of Cancer 2020, 146: 3523-3523. PMID: 32167580, PMCID: PMC8915778, DOI: 10.1002/ijc.32974.Commentaries, Editorials and LettersSpatial-Temporal Cluster Analysis of Childhood Cancer in California.
Francis SS, Enders C, Hyde R, Gao X, Wang R, Ma X, Wiemels JL, Selvin S, Metayer C. Spatial-Temporal Cluster Analysis of Childhood Cancer in California. Epidemiology 2020, 31: 214-223. PMID: 31596791, PMCID: PMC9005107, DOI: 10.1097/ede.0000000000001121.Peer-Reviewed Original ResearchConceptsMalignant gonadal germ cell tumorsGonadal germ cell tumorsGerm cell tumorsAcute lymphoblastic leukemiaChildhood cancerCell tumorsChildhood acute lymphoblastic leukemiaYears of ageRace/ethnicity-matched controlsEthnicity-matched controlsSpace-time cluster analysisEpidemiologic featuresHodgkin's lymphomaLymphoblastic leukemiaBirth addressHealth professionalsCancerSpace-time clustersTumorsAgeSaTScanTemporal cluster analysisFurther researchEvidenceLymphoma
2018
Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care
Wang S, Hsu SH, Huang S, Doan KC, Gross CP, Ma X. Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care. Health Services Research 2018, 53: 4291-4309. PMID: 29951996, PMCID: PMC6232508, DOI: 10.1111/1475-6773.12998.Peer-Reviewed Original ResearchConceptsIntensity of endHospital referral regionsRegional practice patternsPractice patternsLife careEthnic differencesLife care expendituresLocal practice patternsCancer decedentsMedicare databaseRacial/Ethnic DifferencesReferral regionsCare expendituresCareEnd resultDifferencesEpidemiologyDecedentsRandomized Trial of the Impact of Empowering Childhood Cancer Survivors With Survivorship Care Plans
Kadan-Lottick NS, Ross WL, Mitchell HR, Rotatori J, Gross CP, Ma X. Randomized Trial of the Impact of Empowering Childhood Cancer Survivors With Survivorship Care Plans. Journal Of The National Cancer Institute 2018, 110: 1352-1359. PMID: 29771337, DOI: 10.1093/jnci/djy057.Peer-Reviewed Original ResearchConceptsSurvivorship care plansChildhood cancer survivorsPrimary care physiciansLate complicationsCancer survivorsSurvivorship clinicCare plansSC groupNew late complicationSurveillance testsTwo-sided statistical testsHealth care quality measuresAge 18 yearsCare quality measuresClinic attendanceCare physiciansPatient adherenceTreatment summaryTherapy surveillanceComplicationsAssignment groupCancer diagnosisAdherenceSurvivorsTrials
2017
Parental Age and Risk of Pediatric Cancer in the Offspring: A Population-Based Record-Linkage Study in California
Wang R, Metayer C, Morimoto L, Wiemels JL, Yang J, DeWan AT, Kang A, Ma X. Parental Age and Risk of Pediatric Cancer in the Offspring: A Population-Based Record-Linkage Study in California. American Journal Of Epidemiology 2017, 186: 843-856. PMID: 28535175, PMCID: PMC5860074, DOI: 10.1093/aje/kwx160.Peer-Reviewed Original ResearchConceptsRecord linkage studyMaternal ageOdds ratioPediatric cancerParental agePopulation-based record linkage studyCentral nervous system tumorsRisk of lymphomaPopulation-based studyCancer registry dataNervous system tumorsRisk of leukemiaAge group 0Ages 0Pediatric cancer riskOlder paternal ageOlder age groupsTypes of cancerSystem tumorsRegistry dataCancer riskHigh riskGroup 0Birth recordsAge groups
2016
Association between Time since Cancer Diagnosis and Health-Related Quality of Life: A Population-Level Analysis
Wang SY, Hsu SH, Gross CP, Sanft T, Davidoff AJ, Ma X, Yu JB. Association between Time since Cancer Diagnosis and Health-Related Quality of Life: A Population-Level Analysis. Value In Health 2016, 19: 631-638. PMID: 27565280, PMCID: PMC5002308, DOI: 10.1016/j.jval.2016.02.010.Peer-Reviewed Original ResearchConceptsComponent summary scoresSF-6D scoresMental component summary scoresSurvivors of prostateYear of diagnosisPoor-prognosis cancerCancer survivorsSummary scoresCancer diagnosisCervical cancerLower mental component summary scoresLower SF-6D scoresPhysical component summary scoreCancer typesSurvivors of breastHealth-related qualityLevel of HRQoLPatient demographic characteristicsBreast cancer survivorsDecade of diagnosisDemographic characteristicsMost cancer survivorsMedical Expenditure Panel SurveyQuality of lifePoor mental health
2015
Organophosphate insecticide use and cancer incidence among spouses of pesticide applicators in the Agricultural Health Study
Lerro CC, Koutros S, Andreotti G, Friesen MC, Alavanja MC, Blair A, Hoppin JA, Sandler DP, Lubin JH, Ma X, Zhang Y, Freeman L. Organophosphate insecticide use and cancer incidence among spouses of pesticide applicators in the Agricultural Health Study. Occupational And Environmental Medicine 2015, 72: 736. PMID: 26150671, PMCID: PMC4909328, DOI: 10.1136/oemed-2014-102798.Peer-Reviewed Original ResearchConceptsCancer incidenceRelative riskCancer riskPesticide applicatorsAgricultural Health Study cohortOP useHealth Study cohortAgricultural Health StudyNon-Hodgkin lymphomaReproductive health historyStudy cohortPotential confoundersOvarian cancerThyroid cancerBreast cancerElevated riskEpidemiological studiesHealth StudyHealth historyPoisson regressionMale populationCancerFurther evaluationDemographic informationSpecific organophosphatesUse of acetochlor and cancer incidence in the Agricultural Health Study
Lerro CC, Koutros S, Andreotti G, Hines CJ, Blair A, Lubin J, Ma X, Zhang Y, Beane Freeman L. Use of acetochlor and cancer incidence in the Agricultural Health Study. International Journal Of Cancer 2015, 137: 1167-1175. PMID: 25559664, PMCID: PMC4492894, DOI: 10.1002/ijc.29416.Peer-Reviewed Original ResearchConceptsAgricultural Health StudyLung cancerPancreatic cancerCancer incidenceRelative riskHealth StudyColorectal cancer riskExposure-response trendsAdditional potential confoundersRisk of melanomaTime of interviewIncident cancerColorectal cancerPotential confoundersEpidemiologic studiesCancer riskPoisson regressionCancerTelephone interviewsPesticide applicatorsDefinitive conclusionsConfidence intervalsRiskMelanomaIncidence
2012
New health conditions identified at a regional childhood cancer survivor clinic visit
Hogan M, Ma X, Kadan‐Lottick N. New health conditions identified at a regional childhood cancer survivor clinic visit. Pediatric Blood & Cancer 2012, 60: 682-687. PMID: 23023769, DOI: 10.1002/pbc.24360.Peer-Reviewed Original ResearchConceptsNew health conditionsClinic visitsSurvivorship clinicChildhood cancerHealth conditionsOdds ratioChildren's Oncology Group Long-Term FollowCancer treatment exposuresRegular medical careCancer diagnosisPotential treatment-related effectsLong-term followCancer survivorship clinicTherapy-related effectsTreatment-related effectsRisk-based screeningGroup of survivorsSurvivor clinicChest irradiationPulmonary dysfunctionSubsequent cancerLate complicationsNeurologic impairmentAssociated FactorsMultivariate regression model
2009
Intake of meat, meat mutagens, and iron and the risk of breast cancer in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial
Ferrucci LM, Cross AJ, Graubard BI, Brinton LA, McCarty CA, Ziegler RG, Ma X, Mayne ST, Sinha R. Intake of meat, meat mutagens, and iron and the risk of breast cancer in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. British Journal Of Cancer 2009, 101: 178-184. PMID: 19513076, PMCID: PMC2713710, DOI: 10.1038/sj.bjc.6605118.Peer-Reviewed Original ResearchConceptsOvarian Cancer Screening TrialCancer Screening TrialBreast cancerDietary ironMeat mutagensHazard ratioScreening TrialSubsequent breast cancer riskCox proportional hazards regressionInvasive breast cancer casesRed meatFood frequency questionnaireInvasive breast cancerQuintiles of intakeProportional hazards regressionHaem iron intakeIntake of meatBreast cancer riskConfidence intervalsBreast cancer casesHeterocyclic aminesFrequency questionnaireHazards regressionProspective studyIron intake
2007
Dichlorvos exposure and human cancer risk: results from the Agricultural Health Study
Koutros S, Mahajan R, Zheng T, Hoppin JA, Ma X, Lynch CF, Blair A, Alavanja MC. Dichlorvos exposure and human cancer risk: results from the Agricultural Health Study. Cancer Causes & Control 2007, 19: 59-65. PMID: 17943454, PMCID: PMC2822646, DOI: 10.1007/s10552-007-9070-0.Peer-Reviewed Original ResearchConceptsDDVP exposurePesticide applicatorsRate ratioAgricultural Health Study cohortCumulative exposure daysHealth Study cohortSmall excess riskConfidence intervalsLicensed pesticide applicatorsPoisson regression analysisLymphohematopoietic cancersStudy cohortIncident casesPotential confoundersExcess riskProstate cancerFamily historyCancer riskExposure daysCancerComprehensive questionnaireRegression analysisCohortExposureRiskClustering in the incidence of myelodysplastic syndromes
Ma X, Selvin S, Raza A, Foti K, Mayne ST. Clustering in the incidence of myelodysplastic syndromes. Leukemia Research 2007, 31: 1683-1686. PMID: 17507092, DOI: 10.1016/j.leukres.2007.03.032.Peer-Reviewed Original ResearchMeSH KeywordsCluster AnalysisConnecticutDemographyHumansIncidenceMyelodysplastic SyndromesNeoplasmsRegistriesConceptsIncidence of MDSMyelodysplastic syndromePopulation-based cancer registry dataEtiology of MDSPopulation-based dataCancer registry dataGroup of malignanciesPoor prognosisObscure etiologyPotential clusteringRegistry dataHigh incidenceEtiologic hypothesesLarger sample sizeIncidenceSyndromeP-valueEtiologyFuture studiesState of ConnecticutCensus tractsSample sizeIntriguing findingPrognosisMalignancy
2006
Global burden of cancer.
Ma X, Yu H. Global burden of cancer. The Yale Journal Of Biology And Medicine 2006, 79: 85-94. PMID: 17940618, PMCID: PMC1994799.Peer-Reviewed Original Research