A simple method for converting an odds ratio to effect size for use in meta-analysis.

@article{Chinn2000ASM,
  title={A simple method for converting an odds ratio to effect size for use in meta-analysis.},
  author={Susan Chinn},
  journal={Statistics in medicine},
  year={2000},
  volume={19 22},
  pages={3127-31}
}
A systematic review may encompass both odds ratios and mean differences in continuous outcomes. A separate meta-analysis of each type of outcome results in loss of information and may be misleading. It is shown that a ln(odds ratio) can be converted to effect size by dividing by 1.81. The validity of effect size, the estimate of interest divided by the residual standard deviation, depends on comparable variation across studies. If researchers routinely report residual standard deviation, any… CONTINUE READING
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Systematic reviews of randomised trials

  • AJ Sutton, DR Jones, K Abrams, TA Sheldon, F Song
  • Epidemiologic Reviews
  • 1987

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