Outcome selection bias in meta-analysis.

Publication bias has been previously identified as a threat to the validity of a meta-analysis. Recently, new evidence has documented an additional threat to validity, the selective reporting of trial outcomes within published studies. Several diseases have several possible measures of outcome. Some...

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Autors principals: Williamson, P, Gamble, C, Altman, D, Hutton, J
Format: Journal article
Idioma:English
Publicat: 2005