Abstract
Descriptions of “evidence-based” approaches to medical care are now ubiquitous in both the popular press and medical journals. The term evidence-based medicine (EBM) was first coined in 1992, and over the last two decades, the field has experienced rapid growth, and its principles now permeate both graduate medical education and clinical practice. The field of EBM has been in constant evolution since its introduction and continues to undergo refinements as its principles are tested and applied in a wide variety of clinical circumstances. This review presents a brief history of EBM, EBM: fundamental tenets, a critical appraisal of a single study, reporting guidelines for single studies, a critical appraisal of a body of evidence, evidence-based surgery, and limitations in EBM. Tables list strength of evidence for treatment decisions (EBM working group), Oxford Centre for Evidence-Based Medicine revised levels of evidence for treatment benefits , “4S” approach to finding resources for EBM, critical appraisal of individual studies examining therapeutic decisions, reporting guidelines by study design, and key resources for evidence-based surgery. This review contains 6 tables and 85 references
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