2000
Clinical Measurement, Statistical Analysis, and Risk-Benefit: Controversies from Trials of Spinal Injury
Bracken M, Aldrich E, Herr D, Hitchon P, Holford T, Marshall L, Nockels R, Pascale V, Shepard M, Sonntag V, Winn H, Young W. Clinical Measurement, Statistical Analysis, and Risk-Benefit: Controversies from Trials of Spinal Injury. Journal Of Trauma And Acute Care Surgery 2000, 48: 558-561. PMID: 10744306, DOI: 10.1097/00005373-200003000-00036.Commentaries, Editorials and LettersConceptsNational Acute Spinal Cord Injury StudyAcute Spinal Cord Injury StudyAcute spinal cord injurySpinal Cord Injury StudyClinical measurementsHigh-dose methylprednisoloneSecondary neuronal damageSpinal cord injuryRisk benefitNeuronal damageFunctional recoverySafety profileCord injuryPharmacologic agentsSpinal injuryInjury studiesInnovative therapiesTrialsStatistical analysisInjuryMulticenterMethylprednisoloneSeries of trialsTherapyPreventionA systematic review and meta-analysis of prospective studies on the association between maternal cigarette smoking and preterm delivery
Shah N, Bracken M. A systematic review and meta-analysis of prospective studies on the association between maternal cigarette smoking and preterm delivery. American Journal Of Obstetrics And Gynecology 2000, 182: 465-472. PMID: 10694353, PMCID: PMC2706697, DOI: 10.1016/s0002-9378(00)70240-7.Peer-Reviewed Original ResearchMeSH KeywordsCase-Control StudiesDose-Response Relationship, DrugFemaleGestational AgeHumansMEDLINEObstetric Labor, PrematureOdds RatioPregnancyProspective StudiesRetrospective StudiesSmokingConceptsPreterm deliveryMaternal smokingCigarette smokingDose-response relationshipProspective studyMantel-Haenszel fixed-effect modelMaternal cigarette smokingPreventable risk factorsNumber of cigarettesPooled odds ratioFixed-effects modelPooled point estimatesGestational ageSmoking intensityRisk factorsOdds ratioInclusion criteriaStudy populationSmokingSystematic reviewPublication biasMultiple studiesCausal roleNonsignificant levelsDelivery
1999
Healthy Women's PEF Variations with Ambient Summer Concentrations of PM10, PM2.5, SO4 2 −, H+, and O3
NAEHER L, HOLFORD T, BECKETT W, BELANGER K, TRICHE E, BRACKEN M, LEADERER B. Healthy Women's PEF Variations with Ambient Summer Concentrations of PM10, PM2.5, SO4 2 −, H+, and O3. American Journal Of Respiratory And Critical Care Medicine 1999, 160: 117-125. PMID: 10390388, DOI: 10.1164/ajrccm.160.1.9808153.Peer-Reviewed Original ResearchMeSH KeywordsAdultAir PollutantsCircadian RhythmDose-Response Relationship, DrugEnvironmental MonitoringFemaleHumansHydrogen-Ion ConcentrationOzonePeak Expiratory Flow RateReference ValuesSeasonsSulfatesVirginiaConceptsPeak expiratory flowPEF variationEvening peak expiratory flowMorning peak expiratory flowOutdoor monitoring sitePeak flow meterAmbient air pollutionMicrograms/m3Expiratory flowPhysiologic effectsPEF measurementsOnly exposureConcurrent measuresExposureMeteorologic variablesFine particulate sulfateDaily
1996
Maternal Caffeine Consumption and Spontaneous Abortion: A Prospective Cohort Study
Dlugosz L, Belanger K, Hellenbrand K, Holford T, Leaderer B, Bracken M. Maternal Caffeine Consumption and Spontaneous Abortion: A Prospective Cohort Study. Epidemiology 1996, 7: 250-255. PMID: 8728437, DOI: 10.1097/00001648-199605000-00008.Peer-Reviewed Original ResearchMeSH KeywordsAbortion, SpontaneousAdultCaffeineCausalityConnecticutCross-Sectional StudiesDose-Response Relationship, DrugFemaleHumansIncidenceInfant, NewbornOdds RatioPregnancyRiskConceptsSpontaneous abortionCaffeine consumptionYale-New Haven HospitalMaternal caffeine consumptionProspective cohort studyCohort studyEarly pregnancyPregnant womenOdds ratioSoda drinkingElevated riskCaffeine beveragesBeverage consumptionCaffeine beverage consumptionCigarette useFirst monthPregnancySixteenth weekObserved associationsAbortionCup of teaCaffeineTeaGestationHospital
1990
Conception delay after oral contraceptive use: the effect of estrogen dose**Supported by grant HD 11357 and HD 16282 from the National Institutes for Child Health and Human Development and by grant DA 05484 from the National Institute for Drug Abuse, Bethesda, Maryland.
Bracken M, Hellenbrand K, Holford T. Conception delay after oral contraceptive use: the effect of estrogen dose**Supported by grant HD 11357 and HD 16282 from the National Institutes for Child Health and Human Development and by grant DA 05484 from the National Institute for Drug Abuse, Bethesda, Maryland. Fertility And Sterility 1990, 53: 21-27. PMID: 2295345, DOI: 10.1016/s0015-0282(16)53210-5.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultContraceptives, OralDose-Response Relationship, DrugEstrogensFemaleFertilizationHumansMenstruationPregnancyConceptsOral contraceptive useContraceptive useFormer oral contraceptive usersConception delayFormer OC usersLower estrogen dosesOral contraceptive usersEffects of estrogenNational InstituteMethod of contraceptionEstrogen doseOC discontinuationEstrogen dosesOral contraceptionOC usersContraceptive usersChild healthProbability of conceptionHigh dosesDrug abuseMean timeDiscontinuationSignificant delaySignificant reductionEstrogen