2022
The required size of cluster randomized trials of nonpharmaceutical interventions in epidemic settings
Sheen J, Haushofer J, Metcalf C, Kennedy‐Shaffer L. The required size of cluster randomized trials of nonpharmaceutical interventions in epidemic settings. Statistics In Medicine 2022, 41: 2466-2482. PMID: 35257398, PMCID: PMC9111156, DOI: 10.1002/sim.9365.Peer-Reviewed Original ResearchConceptsCluster randomized trialEffectiveness of interventionsSample sizeRandomized trialsPlanning such trialsApproximate sample size formulaeReduce transmissionEffect sizeNonpharmaceutical interventionsInfectious disease outbreaksObservational studyInterventionEpidemic settingsSample size methodsAdequate powerSARS-CoV-2 pandemicSARS-CoV-2 transmissionSample size formulaTested individualsSimulated bankTreatment effectsTrialsCommunity transmissionOutbreak settingsSize formula
2020
Statistical Properties of Stepped Wedge Cluster-Randomized Trials in Infectious Disease Outbreaks
Kennedy-Shaffer L, Lipsitch M. Statistical Properties of Stepped Wedge Cluster-Randomized Trials in Infectious Disease Outbreaks. American Journal Of Epidemiology 2020, 189: 1324-1332. PMID: 32648891, PMCID: PMC7604531, DOI: 10.1093/aje/kwaa141.Peer-Reviewed Original ResearchConceptsWedge trialsParallel-arm cluster-randomized trialsStepped wedge cluster randomized trialStatistical propertiesCluster randomized trialStatistical disadvantageStepped wedge trialIndividual randomizationInfectious disease outbreaksCluster randomized designEvaluation of interventionsEvaluate various designsTrial designDetect intervention effectsWedge designRandomized Controlled TrialsIntervention effectsEffect estimatesControlled TrialsParallel-armEpidemic settingsLogistical factorsAdequate powerInfectious disease incidenceRandomized trials
2012
Confounding by Indication in Retrospective Studies of Intracerebral Hemorrhage: Antiepileptic Treatment and Mortality
Battey TW, Falcone GJ, Ayres AM, Schwab K, Viswanathan A, McNamara KA, DiPucchio ZY, Greenberg SM, Sheth KN, Goldstein JN, Rosand J. Confounding by Indication in Retrospective Studies of Intracerebral Hemorrhage: Antiepileptic Treatment and Mortality. Neurocritical Care 2012, 17: 361-366. PMID: 22965324, PMCID: PMC3707622, DOI: 10.1007/s12028-012-9776-z.Peer-Reviewed Original ResearchConceptsIntroductionIntracerebral hemorrhageAED treatmentAntiepileptic drugsCohort of patientsAntiepileptic treatmentRankin scoreICH locationIntracerebral hemorrhageRetrospective studyHemorrhage locationClinicians' decisionsResultsMultivariate analysisRetrospective analysisSupratentorial regionFatal diseaseConclusionThese resultsMortalityPatientsConflicting resultsTreatmentTreatment effectsHemorrhageCohortAssociationAdequate power
1988
IN UTERO EXPOSURE TO ORGANIC SOLVENTS AND HUMAN NEURODEVELOPMENT
Eskenazi B, Gaylord L, Bracken M, Brown D. IN UTERO EXPOSURE TO ORGANIC SOLVENTS AND HUMAN NEURODEVELOPMENT. Developmental Medicine & Child Neurology 1988, 30: 492-501. PMID: 3169389, DOI: 10.1111/j.1469-8749.1988.tb04776.x.Peer-Reviewed Original ResearchConceptsUtero exposureNeurobehavioral developmentCentral nervous system malformationsAdverse neurodevelopmental outcomesNervous system malformationsUnexposed childrenNeurodevelopmental outcomesPotential confoundersSystem malformationsDevelopmental milestonesMental retardationHuman neurodevelopmentMultiple regression analysisRegression analysisRecent reportsHuman brainChildrenMothers' reportsExposureMcCarthy ScalesAdequate powerMothersReportLow levelsSolvent exposure
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