Fig. 2From: Research transparency promotion by surgical journals publishing randomised controlled trials: a surveyPercent of journal with mandatory rules concerning a trial registration, b COI disclosure, and c CONSORT guidelines according to the number of RCT quartiles published during the study period and to the impact factor quartiles. COI, conflict of interest; RCT, randomised controlled trial. Significant P value (P = 0.03) is highlight with “*”Back to article page