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Ned Tijdschr Geneeskd. 2006 Nov 11;150(45):2484.

[Levels of evidence value are useful in the evaluation of studies and results].

Nederlands tijdschrift voor geneeskunde

[Article in Dutch]
J J E van Everdingen

Affiliations

  1. Kwaliteitsinstituutvoor de Gezondheidszorg CBO, Postbus 20.064, 3502 LB Utrecht. [email protected]

PMID: 17137094

Abstract

A classification of scientific evidence into 'levels', in which the type of research design is graded according to its strength, is useful because it helps the medical community to sort out a system that is accepted all over the world. It not only makes the highest levels of evidential value explicit for a particular clinical question, but also makes the lack of evidence visible. Selected articles will contain labels identifying the strength of evidence supporting key recommendations.

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