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. 2016 Mar 29;16:37. doi: 10.1186/s12874-016-0137-z

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© Lueza et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Difference in restricted mean survival time estimated using the Pooled Kaplan-Meier method with random effects as a function of the time horizon t ^* in the MAC-NPC meta-analysis. The solid black line represents the rmstD(t ^*) plotted as a function of the horizon t ^*. The dashed horizontal line indicates the absence of a treatment effect (rmstD(t ^*) = 0). The grey area corresponds to the pointwise 95 % confidence interval. MAC-NPC: Meta-Analysis of Chemotherapy in Nasopharynx Carcinoma; rmstD: difference in restricted mean survival time