The proposed new evidence-based medicine pyramid.

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Presentation transcript:

The proposed new evidence-based medicine pyramid. The proposed new evidence-based medicine pyramid. (A) The traditional pyramid. (B) Revising the pyramid: (1) lines separating the study designs become wavy (Grading of Recommendations Assessment, Development and Evaluation), (2) systematic reviews are ‘chopped off’ the pyramid. (C) The revised pyramid: systematic reviews are a lens through which evidence is viewed (applied). M Hassan Murad et al. Evid Based Med doi:10.1136/ebmed-2016-110401 ©2016 by BMJ Publishing Group Ltd