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Compound Evidence InstituteEvidence synthesis · established 2023Graded assessments of compounds, trials, methods and supply
Document set current to 30 July 2026
Defined term · Statistics and inference

Funnel plot

A scatter of effect estimate against study precision, inspected for asymmetry as an indication of small-study effects. Uninformative below approximately ten contributing studies.

Document identifier
CEI-GT-078
Series
Defined term
Version
1.0
Published
30 Jul 2026
Last reviewed
30 Jul 2026
Certainty
Not rated

§1Funnel plot

§1.2Category

Statistics and inference — Terms describing how effects are estimated and how uncertainty is expressed.

§1.3Related terms

  • Publication bias — The risk that the studies available to a review are not a representative sample of the studies conducted, most often because studies with unfavourable results were not…
Compound Evidence Institute · CEI-GT-078 · https://compoundevidence.com/glossary/funnel-plot/ · retrieved 30 July 2026
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