Methods for individual participant data meta-analysis of survival outcomes commonly focus on the hazard ratio as a measure of treatment effect. Recently, Siannis et al. (2010, Statistics in Medicine 29:3030-3045) proposed the use of percentile ratios as an alternative to hazard ratios. We describe a novel two-stage method for the meta-analysis of percentile ratios that avoids distributional assumptions at the study level.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3562482PMC
http://dx.doi.org/10.1002/sim.5516DOI Listing

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