15. Estimating a hazard ratio from a Kaplan curve and information about follow-up
Data extraction tips for meta-analysis - tip 15
Here's a tip...
You can calculate a hazard ratio from a survival curve reported with follow-up information but make sure, when extracting curve data, that the minimum follow-up time lies at the end of an interval.
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.
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