23. What if the summary statistic I want is given for the wrong group?
Data extraction tips for meta-analysis - tip 23
You can use the group equations to pool summary statistics of subgroups or the rearranged group equations to calculate data for a particular subgroup.
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 EBHC Medical Statistics, and MSc in EBHC Systematic Reviews.
Follow updates on this blog and related news, and to find out about other examples of statistics being made more broadly accessible on Twitter @dataextips