Direction and impact of language bias in meta-analyses of controlled trials: empirical study | Zendy

Peter Jüni | Zendy; F Holenstein | Zendy; Jonathan A C Sterne | Zendy; Christopher Bartlett | Zendy; Matthias Egger | Zendy

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Direction and impact of language bias in meta-analyses of controlled trials: empirical study

Author(s) -

Peter Jüni,

F Holenstein,

Jonathan A C Sterne,

Christopher Bartlett,

Matthias Egger

Publication year - 2002

Publication title -

international journal of epidemiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.406

H-Index - 208

eISSN - 1464-3685

pISSN - 0300-5771

DOI - 10.1093/ije/31.1.115

Subject(s) - meta analysis , publication bias , clinical trial , english language , medline , medicine , psychology , pathology , mathematics education , political science , law

Excluding clinical trials reported in languages other than English from meta-analyses may introduce bias and reduce the precision of combined estimates of treatment effects. We examined the influence of trials published in languages other than English on combined estimates and conclusions of published meta-analyses.

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