Journal article
GRADE-Leitlinien: 9. Heraufstufen der Qualität der Evidenz
Abstract
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-fold reduction or increase in risk. Systematic review authors and guideline developers may also consider rating up quality of evidence when a …
Authors
Kien C; Gartlehner G; Kaminski-Hartenthaler A; Meerpohl JJ; Flamm M; Langer G; Perleth M; Schünemann HJ
Journal
Zeitschrift für Evidenz Fortbildung und Qualität im Gesundheitswesen, Vol. 107, No. 3, pp. 249–255
Publisher
Elsevier
Publication Date
2013
DOI
10.1016/j.zefq.2013.04.007
ISSN
1865-9217