An Approximate Expression for the Proportion Explained by Mediation in Survival AnalysisSjölander, ArvidEpidemiology: October 18, 2019 - Volume Publish Ahead of Print - Issue - p doi: 10.1097/EDE.0000000000001117 Letters: PDF Only Free SDC PAP Author InformationAuthors Article MetricsMetrics Department of Medical Epidemiology and Biostatistics, Karolinska Institute Supported by The Swedish Research council, grant number 2016-01267. The authors report no conflicts of interest. Supplemental digital content is available through direct URL citations in the HTML and PDF versions of this article (www.epidem.com). This article does not include any real data analysis. Nobels väg 12A, 171 77 Stockholm, Sweden, email@example.com Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved.