Abstract

ALARCON PALACIOS, Marco; OJEDA GOMEZ, Roberto Carlos; TICSE HUARICANCHA, Iveht Lucy  and  CAJACHAGUA HILARIO, Katherine. Critical analysis of randomized clinical trials: The risk of bias. Rev. Estomatol. Herediana [online]. 2015, vol.25, n.4, pp.304-308. ISSN 1019-4355.

Randomized clinical trials (RCTs) represent the highest level of experimental research according to levels of evidence. The findings of RCTs provide guidelines for choosing the best clinical treatment. Reason why it is a need to critically assess their methodology in order to show the accuracy.‘Risk of Bias’ is a tool developed by the Cochrane Collaboration to determine the quality of evidence in systematic reviews to be reliable for the individual analysis of the included RCTs. The present review aims to present the concepts of risk bias defining each of its items for the proper assessment of scientific articles.

Keywords : Risk; bias; clinical trial; validity; random allocation; review; double-blind method.

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