Time to publication of studies was not affected by whether results were positive

BMJ 1998;316:1536 ( 16 May )

Letters

Time to publication of studies was not affected by whether results were positive

Education and debate p 1519

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EDITOR $---$ The time to publication measured by Stern and Simes began with approval of the project by the ethics committee; thusthe interval embraced all phases of research and analysis.¹This interval differs from that used by several other ethics committeescited ² ³ and in most previous reports of time to publication,which have begun with an analysis of completed data, not approvalby the ethics committee.⁴

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We examined the fate of all 493 completed research studies submitted by members of staff from 103 American medical schoolsfor consideration to the 1991 meeting of the Society of AcademicEmergency Medicine.⁵ We searched Index Medicus on line in 1996to determine which studies had been published, and we sent questionsto the authors of all unpublished studies. We evaluated the methodologyand quality of all submitted abstracts using a blinded delphipanel, and we calculated the effect size ratio reported in each(percentage efficacy . . . [Full text of this article]

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