16. Estimating a hazard ratio from a Kaplan curve and numbers at risk
Data extraction tips for meta-analysis - tip 16
Here's a tip...
You can calculate a hazard ratio from a survival curve reported with numbers at risk
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