Volume 9, Issue 3 , Pages 122-124, September 2009
Grading the Evidence: The Core of EBD
Disasters surrounding medical drugs and devices that led to public outcries for regulation have led to both legislation and the recognition that all sources of evidence are not equal in terms of reliability. Randomized controlled trials provide more reliable evidence than case-series, and human studies provide more reliable evidence than animal studies. In evidence-based medicine, different hierarchies have been created to grade the reliability of evidence. This report provides a brief review of the evidence-pyramid.
Keywords: Evidence-based dentistry, levels of evidence
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Sections of this text originate from a chapter in the textbook Statistical and Methodological Aspects of Oral Health Research, editors: Emmanuel Lesaffre, Jocelyne Feine, Brian Leroux, and Dominique Declerck, © 2008; John Wiley & Sons Limited. Reproduced with permission.
PII: S1532-3382(09)00110-9
doi:10.1016/j.jebdp.2009.06.007
© 2009 Elsevier Inc. All rights reserved.
Volume 9, Issue 3 , Pages 122-124, September 2009
