Being ‘evidence-based’ in the absence of evidence: The management of non-evidence in guideline development

摘要: Since the emergence of Evidence-Based Medicine (EBM) movement, nature and role evidence in medicine has been much debated. The formal classification that is unique to Medicine, referred as Evidence hierarchy, fiercely criticized. Yet studies examine how classified EBM practice are rare. This article presents an observational study understood performed practice. It does this by examining absence defined managed Guideline development. label not denote quantity or quality found, but specific management evidence, requiring a transparently reported process searching, selection presentation. I propose term ‘Evidence Searched Guidelines’ better capture way ‘being’ EBM. Moreover, what counts depends just on hierarchy...