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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 out...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2010
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2842442/ https://www.ncbi.nlm.nih.gov/pubmed/20339557 http://dx.doi.org/10.1371/journal.pone.0009810 |