27. What if neither the summary statistic I want, nor a similar statistic are reported?
Data extraction tips for meta-analysis - tip 27
Here's a tip...
You can use imputation to deal with missing sample sizes, means and SDs, using reported data or data from other studies.
Dr Kathy Taylor teaches data extraction in Meta-analysis. This is a short course that is also available as part of our MSc in Evidence-Based Health Care. MSc in Medical Statistics and MSc in Systematic Reviews
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