Forest plot

A Forest plot is a graph showing the results of a meta-analysis of several biomedical studies. In general, the numerical result of each individual study represented as boxes on a horizontal axis, for example, achieved by a treatment rate of improvement in percentage terms. The size of the box, the Power ( statistical power ) show the study. The range of measured values ​​( variance, confidence interval ) can be indicated by a horizontal line through the box. It is a modified box plot.

Forest plots are common since the 1970s. They allow the reader a quick visual orientation of the meta-analysis of the studies analyzed on common trends.

The name of forest plot ( "Forest drawing " ) shall be directed to the plurality of parallel lines, vaguely reminiscent of a group of trees

Footnotes

  • Graph ( statistics)
  • Meta-analysis
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