GRADE guidelines: 9. Rating up the quality of evidence.

The most common reason for rating up the quality of evidence is a large effect. GRADE suggests considering rating up quality of evidence one level when methodologically rigorous observational studies show at least a two-fold reduction or increase in risk, and rating up two levels for at least a five...

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Bibliographic Details
Main Authors:	Guyatt, G, Oxman, A, Sultan, S, Glasziou, P, Akl, E, Alonso-Coello, P, Atkins, D, Kunz, R, Brozek, J, Montori, V, Jaeschke, R, Rind, D, Dahm, P, Meerpohl, J, Vist, G, Berliner, E, Norris, S, Falck-Ytter, Y, Murad, M, Schünemann, H
Format:	Journal article
Language:	English
Published:	2011

GRADE guidelines: 9. Rating up the quality of evidence.

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