Intended for healthcare professionals


Endorsement of the CONSORT statement by high impact medical journals: survey of instructions for authors

BMJ 2005; 330 doi: (Published 05 May 2005) Cite this as: BMJ 2005;330:1056
  1. Douglas G Altman, professor of statistics in medicine ( for the CONSORT Group
  1. 1Centre for Statistics in Medicine, Wolfson College, Oxford OX2 6UD
  1. Correspondence to: D G Altman
  • Accepted 2 March 2005


The CONSORT (Consolidated Standards of Reporting Trials) statement of 1996, updated in 2001,1 2 gives recommendations for reporting randomised controlled trials and has been endorsed by the World Association of Medical Editors, the International Committee of Medical Journal Editors (ICMJE), and the Council of Science Editors. Studies indicate that it has helped to improve the quality of reporting of trials.35 I sought to determine the extent to which leading medical journals had incorporated the CONSORT recommendations into their instructions for authors.

Methods and results

Using citation impact factors for 2001, I identified the top five journals from each of 33 medical specialties and the top 15 journals for general and internal medicine. I excluded selected journals that did not publish clinical research (based on explicit statement, inspection of journal contents, or PubMed search) and replaced them by the next on the list. The final sample of 167 journals was obtained after examining 232 journals. …

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