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Revista médica de Chile

versión impresa ISSN 0034-9887


MUNOZ C, Félix  y  CABRERA R, Fernando. Reflections on evidence-based medicine. Rev. méd. Chile [online]. 2005, vol.133, n.10, pp.1252-1257. ISSN 0034-9887.

This is a review of the basic concepts of evidence, medicine, evidence-based medicine and its effects. Evidence-based medicine is a contribution for statistical design and management, that allows the gathering of scientific information, but does not completely exclude bias. Its methodology proceeds with order and caution, generating a highly probable mass of knowledge. The quality of the information obtained from diverse sources such as meta-analysis to expert opinions is classified in different levels according to the «strength» of the evidence in which it is based. The best contribution of evidence-based medicine is probably for diseases of incidence and does not replace clinical experience and patients-physician relationship. Basically we treat ill people and not illnesses. Without clinical experience, medical practice can be tyrannized by evidence-based medicine that can become inapplicable or inappropriate. Without evidence-based medicine, medical practice will not be updated, limiting our professional skills (Rev Méd Chile 2005; 133: 1252-8)

Palabras clave : Bias ; epidemiology; Evidence-based medicine; Meta-analysis.

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