• Zinat Nadia Hatmi, Sousan Tahvildari, Soheila Dabiran, Suraya Soheili, Ahmad Sabouri Kashani, and Maedeh Raznahan.
• Department of Social Medicine, Tehran University of Medical Sciences, Tehran, Iran. hatmizn@sina.tums.ac.ir
• Acta Med Iran. 2010 Sep 1; 48 (5): 332-6.

UnlabelledEvidence-based Medicine (EBM) is becoming an integral component of graduate medical education competency and a requirement for grad medical education practice-based learning core competency. This study tries to compare the efficacy of conferences utilizing small-group discussions with the traditional conference method in enhancing EBM competency. The participants in this randomized controlled trial (RCT) were 170 members of the medical faculty who were divided into two groups of 86 (intervention) and 84 (control). Following the intervention, EBM competency was assessed by a written examination. statistical analysis made use of chi-square test, independent sample t-test and relative risks for univariate analysis. Mantel-Hanszel was used for bivariate analysis. Cox proportional hazard models were used to evaluate multivariate-adjusted associations between EBM educational intervention and EBM knowledge, attitude and skills. A new indicator of number needed to intervention (NNI) was defined and computed.ResultsThe results proved conference along with small-group discussion to be a more effective teaching method with P=0.001 on knowledge, P<0.001 for attitude and skills P<0.001 in an EBM exam when compared with medical faculty members who did not participate in EBM educational intervention (n=84). Moreover, they had also increased confidence with critical appraisal skills, and searching EBM resources.ConclusionsConferences followed by small-group discussions significantly enhance EBM knowledge, attitude, critical appraisal skills and literature review skills.

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