| Titre : | Value of flow diagrams in reports of randomized controlled trials. (2001) |
| Auteurs : | Matthias EGGER ; Christopher BARTLETT ; Peter JUNI ; Consort group. USA ; Department of Social and Preventive Medicine. University of Berne. Berne. CHE ; Medical Research Council Health Services Research Collaboration. Department of Social Medicine. University of Bristol. Bristol. GBR |
| Type de document : | Article |
| Dans : | JAMA - Journal of the american medical association (vol. 285, n° 15, 2001) |
| Pagination : | 1996-1999 |
| Langues: | Anglais |
| Mots-clés : | Essai thérapeutique ; Rapport ; Amélioration ; Homme |
| Résumé : | [BDSP. Notice produite par INIST 2VLWR0x4. Diffusion soumise à autorisation]. Context Diagrams of the flow of participants through a clinical trial are recommended in the Consolidated Standards for Reporting of Trials (CONSORT) statement, but it is unclear whether such flow diagrams improve the quality of trial reports. Objective To examine the information contributed by flow diagrams and the completeness of reporting overall in reports of randomized controlled trials (RCTs) published in 5 general and internal medicine journals. Design and Setting Analysis of 270 reports of RCTs published in 1998 in the Annals of Internal Medicine (AIM ; n=19), BMJ (n=42), JAMA (n=45), The Lancet (n=81), and The New England Journal of Medicine (NEJM ; n=83). Main Outcome Measures Proportion of reports that included a flow diagram, information provided in flow diagrams, and completeness of reporting about flow of participants overall in flow diagrams or text. Results A total of 139 reports (51.5%) of RCTs included a flow diagram, but this varied widely among journals (AIM, 21.0% ; BMJ, 38.1% ; JAMA, 80.0% ; The Lancet, 93.8% ; and NEJM, 8.4%). Diagrams generally provided useful information, but only 73 (52.5%) included the number of participants who received allocated interventions and only 32 (23.0%) included the number of participants included in the analysis. In logistic regression analysis, overall completeness of reporting about flow of study participants was associated with publication of a flow diagram. (...) |
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