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Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trials
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Abstract
Funnel plots, and tests for funnel plot asymmetry, have been widely used to examine bias in the results of meta-analyses. Funnel plot asymmetry should not be equated with publication bias, because it has a number of other possible causes. This article describes how to interpret funnel plot asymmetry, recommends appropriate tests, and explains the implications for choice of meta-analysis model
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The record
- Venue
- BMJ
- Topic
- Meta-analysis and systematic reviews
- Field
- Decision Sciences
- Canadian institutions
- Ottawa Hospital
- Funders
- Medical Research CouncilCanadian Institutes of Health ResearchDeutsche ForschungsgemeinschaftCancer Research UK
- Keywords
- Funnel plotFunnelAsymmetryPublication biasMeta-analysisPlot (graphics)Forest plotEconometricsStatisticsMathematicsConfidence intervalEnvironmental scienceMedicinePhysicsParticle physics
- Has abstract in OpenAlex
- yes