The CONSORT statement: revised recommendations for improving the quality of reports of parallel-group randomized trials


Moher, D; Schultz, KF; Altman, DG; For The Consort Group (Including Elbourne, D., Pocock, S.), ; (2001) The CONSORT statement: revised recommendations for improving the quality of reports of parallel-group randomized trials. [Conference or Workshop Item]

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Abstract

To comprehend the results of a randomized, controlled trial (RCT), readers must understand its design, conduct, analysis, and interpretation. That goal can be achieved only through complete transparency from authors. Despite several decades of educational efforts, the reporting of RCTs needs improvement. Investigators and editors developed the original CONSORT (Con solidated S tandards o f R eporting T rials) statement to help authors improve reporting by using a checklist and flow diagram. The revised CONSORT statement presented in this paper incorporates new evidence and addresses some criticisms of the original statement. The checklist items pertain to the content of the Title, Abstract, Introduction, Methods, Results, and Discussion. The revised checklist includes 22 items selected because empirical evidence indicates that not reporting the information is associated with biased estimates of treatment effect or because the information is essential to judge the reliability or relevance of the findings. We intended the flow diagram to depict the passage of participants through an RCT. The revised flow diagram depicts information from four stages of a trial (enrollment, intervention allocation, follow-up, and analysis). The diagram explicitly includes the number of participants, for each intervention group, that are included in the primary data analysis. Inclusion of these numbers allows the reader to judge whether the authors have performed an intention-to-treat analysis. In sum, the CONSORT statement is intended to improve the reporting of an RCT, enabling readers to understand a trial's conduct and to assess the validity of its results.

Item Type: Conference or Workshop Item
Keywords: Algorithms, Human, Publishing, standards, Quality Control, Randomized Controlled Trials, standards, Reproducibility of Results, Support, Non-U.S. Gov't, Support, U.S. Gov't, P.H.S.
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Medical Statistics
Research Centre: Centre for Global Non-Communicable Diseases (NCDs)
PubMed ID: 11304106
Web of Science ID: 168177500005
URI: http://researchonline.lshtm.ac.uk/id/eprint/17911

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