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Correspondence
Sole reliance on I2 may mislead
  1. Guido Schwarzer,
  2. Martin Schumacher,
  3. Gerta Rücker
  1. Faculty of Medicine and Medical Center, Institute for Medical Biometry and Statistics, University of Freiburg, Freiburg, Germany
  1. Correspondence to Dr Guido Schwarzer, Faculty of Medicine and Medical Center, Institute for Medical Biometry and Statistics, University of Freiburg, Stefan-Meier-Strasse 26, Freiburg 79104, Germany; sc{at}imbi.uni-freiburg.de

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We read the recommendations by Kiran and colleagues1 on graphical displays to present meta-analysis results with great interest. Like the authors, we think that graphics play a major role to concisely summarise meta-analysis results and to evaluate heterogeneity between studies and small-study effects. We agree with most recommendations1 and actually a forest plot (see figure 1 and online supplementary files) generated with our R package meta (https://cran.r-project.org/web/packages/meta/) almost looks like a blueprint of figure 2 in ref 1. However, in …

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Footnotes

  • Contributors GS, MS and GR contributed to the letter. The figure was generated by GS.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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