Bias due to changes in specified outcomes during the systematic review process

Bias due to changes in specified outcomes during the systematic review process

Background Adding, omitting or changing outcomes after a systematic review protocol is published can result in bias because it increases the potential for unacknowledged or post hoc revisions of the planned analyses. The main objective of this study was to look for discrepancies between primary outc...

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Dades bibliogràfiques
Autors principals:	Kirkham, J, Altman, D, Williamson, P
Format:	Journal article
Idioma:	English
Publicat:	Public Library of Science 2010

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