Standardized mean differences cause funnel plot distortion in publication bias assessments

Meta-analyses are increasingly used for synthesis of evidence from biomedical research, and often include an assessment of publication bias based on visual or analytical detection of asymmetry in funnel plots. We studied the influence of different normalisation approaches, sample size and interventi...

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Bibliographic Details
Main Authors: Peter-Paul Zwetsloot, Mira Van Der Naald, Emily S Sena, David W Howells, Joanna IntHout, Joris AH De Groot, Steven AJ Chamuleau, Malcolm R MacLeod, Kimberley E Wever
Format: Article
Language:English
Published: eLife Sciences Publications Ltd 2017-09-01
Series:eLife
Subjects:
Online Access:https://elifesciences.org/articles/24260