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OCEBM Levels of evidence system
Durieux N. , Vandenput S. , Pasleau F.
Rev Med Liege 2013, 68(12),644-649Abstract : The hierarchy of evidence from medical research is a key concept in Evidence-Based Medicine (EBM). In 1998, the Oxford Centre for Evidence-Based Medicine published a levels table based on study designs. An updated and more user-friendly version, published in 2011, focuses on the issues of prevalence, diagnosis, prognosis, treatment and screening. This paper presents and discusses this approach. Keywords : Evidence-Based Medicine - Health literacy - Levels of evidence