2018
Selection of patients with myelodysplastic syndromes from a large electronic medical records database and a study of the use of disease-modifying therapy in the United States
Ma X, Steensma DP, Scott BL, Kiselev P, Sugrue MM, Swern AS. Selection of patients with myelodysplastic syndromes from a large electronic medical records database and a study of the use of disease-modifying therapy in the United States. BMJ Open 2018, 8: e019955. PMID: 30037860, PMCID: PMC6059277, DOI: 10.1136/bmjopen-2017-019955.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAnemiaAzacitidineDatabases, FactualDecitabineElectronic Health RecordsEnzyme InhibitorsFemaleHematinicsHumansImmunologic FactorsIron Chelating AgentsLenalidomideMaleMiddle AgedMultivariate AnalysisMyelodysplastic SyndromesProportional Hazards ModelsRecurrenceRetrospective StudiesThalidomideTreatment OutcomeUnited StatesConceptsDisease-modifying therapiesErythropoiesis-stimulating agentsElectronic medical record databaseMyelodysplastic syndromeMedical record databasePatient characteristicsTreatment patternsGE Centricity Electronic Medical Records databaseRecord databaseLow baseline hemoglobin levelMultivariable Cox regression modelsLarge electronic medical record databaseBaseline hemoglobin levelAbsence of comorbiditiesFirst-line treatmentMajority of patientsSelection of patientsCox regression modelIron chelation therapyAgent azacitidineMore comorbiditiesHemoglobin levelsMale genderClinical trialsChelation therapy
2017
Health Care Use by Older Adults With Acute Myeloid Leukemia at the End of Life
Wang R, Zeidan AM, Halene S, Xu X, Davidoff AJ, Huntington SF, Podoltsev NA, Gross CP, Gore SD, Ma X. Health Care Use by Older Adults With Acute Myeloid Leukemia at the End of Life. Journal Of Clinical Oncology 2017, 35: jco.2017.72.714. PMID: 28783450, PMCID: PMC5648174, DOI: 10.1200/jco.2017.72.7149.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaDays of lifeEnd of lifeLife careHospice careOlder patientsHospice enrollmentMyeloid leukemiaIntensive care unit admissionMultivariable logistic regression analysisOlder adultsLate hospice enrollmentCare unit admissionRetrospective cohort studyUse of chemotherapyIntensive care unitHealth care useLogistic regression analysisYears of ageUnit admissionAggressive treatmentCohort studyOverall cohortAML diagnosisCare unit
2013
Tobacco Smoke Exposure and the Risk of Childhood Acute Lymphoblastic and Myeloid Leukemias by Cytogenetic Subtype
Metayer C, Zhang L, Wiemels JL, Bartley K, Schiffman J, Ma X, Aldrich MC, Chang JS, Selvin S, Fu CH, Ducore J, Smith MT, Buffler PA. Tobacco Smoke Exposure and the Risk of Childhood Acute Lymphoblastic and Myeloid Leukemias by Cytogenetic Subtype. Cancer Epidemiology Biomarkers & Prevention 2013, 22: 1600-1611. PMID: 23853208, PMCID: PMC3769478, DOI: 10.1158/1055-9965.epi-13-0350.Peer-Reviewed Original ResearchConceptsChildren's passive smokingPassive smokingAcute lymphoblastic leukemiaTobacco smokeMyeloid leukemiaCytogenetic subtypesChildhood acute lymphoblastic leukemiaCHILDHOOD ACUTE LYMPHOBLASTICPaternal prenatal smokingPostnatal passive smokingTobacco smoke exposureRisk of childhoodMultivariable regression analysisTiming of exposureB cell precursorsHyperdiploid B cellsActive smokingPrenatal smokingTobacco smokingSmoke exposureLymphoblastic leukemiaAcute lymphoblasticAML casesElevated riskSmoking
2010
Early life exposure to infections and risk of childhood acute lymphoblastic leukemia
Urayama KY, Ma X, Selvin S, Metayer C, Chokkalingam AP, Wiemels JL, Does M, Chang J, Wong A, Trachtenberg E, Buffler PA. Early life exposure to infections and risk of childhood acute lymphoblastic leukemia. International Journal Of Cancer 2010, 128: 1632-1643. PMID: 21280034, PMCID: PMC3165002, DOI: 10.1002/ijc.25752.Peer-Reviewed Original ResearchConceptsNorthern California Childhood Leukemia StudyAcute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaNon-Hispanic white childrenEarly life exposureDaycare attendanceLymphoblastic leukemiaEar infectionsLife exposureHispanic childrenCommon childhood infectionsAge 6 monthsWhite childrenCalifornia Childhood Leukemia StudyBirth orderChildhood Leukemia StudyChildhood infectionsCommon infectionsProtective roleInfectionSociodemographic differencesLeukemia StudyHispanic populationChildrenRisk
2009
Dietary Meat Intake in Relation to Colorectal Adenoma in Asymptomatic Women
Ferrucci LM, Sinha R, Graubard BI, Mayne ST, Ma X, Schatzkin A, Schoenfeld PS, Cash BD, Flood A, Cross AJ. Dietary Meat Intake in Relation to Colorectal Adenoma in Asymptomatic Women. The American Journal Of Gastroenterology 2009, 104: ajg2009102. PMID: 19367270, PMCID: PMC2891034, DOI: 10.1038/ajg.2009.102.Peer-Reviewed Original ResearchMeSH KeywordsAdenomaAdultAgedColonoscopyColorectal NeoplasmsConfidence IntervalsCookingCross-Sectional StudiesDietFemaleFollow-Up StudiesHeterocyclic CompoundsHumansIncidenceLogistic ModelsMass ScreeningMeat ProductsMiddle AgedMultivariate AnalysisOdds RatioReference ValuesRisk AssessmentSeverity of Illness IndexConceptsColorectal adenomasAsymptomatic womenMeat intakeOdds ratioRed meatMeat-cooking methodsColorectal adenoma casesConfidence intervalsPan-fried meatDietary meat intakeEligible womenDoneness levelFood frequencyAdenoma casesHigh intakeAdenomasMeat mutagensLogistic regressionIntakeWomenScreening studyColonoscopyComponents of meatPositive associationFurther investigation