2014
A reanalysis of cluster randomized trials showed interrupted time-series studies were valuable in health system evaluation
Fretheim A, Zhang F, Ross-Degnan D, Oxman AD, Cheyne H, Foy R, Goodacre S, Herrin J, Kerse N, McKinlay RJ, Wright A, Soumerai SB. A reanalysis of cluster randomized trials showed interrupted time-series studies were valuable in health system evaluation. Journal Of Clinical Epidemiology 2014, 68: 324-333. PMID: 25499983, DOI: 10.1016/j.jclinepi.2014.10.003.Peer-Reviewed Original ResearchMeSH KeywordsCluster AnalysisData Interpretation, StatisticalHealth Services ResearchHumansInterrupted Time Series AnalysisQuality ImprovementRandomized Controlled Trials as TopicResearch DesignConceptsC-RCTsControl groupInterrupted time series studyConfidence intervalsConcurrent control groupHealth system interventionsHealth system evaluationControl arm dataInterrupted time series designIntervention armRandomized trialsControl group dataTrial dataTime-series studyTime series designHealth systemStudy designEffect estimatesTrialsInterventionSystem interventionsArm dataGroup dataRCTsGroup
2011
Using alternative statistical formats for presenting risks and risk reductions
Akl EA, Oxman AD, Herrin J, Vist GE, Terrenato I, Sperati F, Costiniuk C, Blank D, Schünemann H. Using alternative statistical formats for presenting risks and risk reductions. Cochrane Database Of Systematic Reviews 2011, 2011: cd006776. PMID: 21412897, PMCID: PMC6464912, DOI: 10.1002/14651858.cd006776.pub2.Peer-Reviewed Original ResearchConceptsPolicy makersAbsolute risk reductionRelative risk reductionStatistical presentationStandardized mean differenceHigh quality comparisonsRisk reductionHealth professionalsMakersSensitivity analysisConsumersCochrane Central RegisterCross-over studyQuality of evidenceRisk of biasStatistical informationCentral RegisterGRADE approachControlled TrialsDATA COLLECTIONEvidence-based practiceSurrogate outcomesOvid MEDLINEOutcome effectsReference lists
2000
Quality improvement studies: the need is there but so are the challenges
Krumholz H, Herrin J. Quality improvement studies: the need is there but so are the challenges. The American Journal Of Medicine 2000, 109: 501-503. PMID: 11042244, DOI: 10.1016/s0002-9343(00)00593-3.Peer-Reviewed Original Research