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. 2017 Jan 11;18:14. doi: 10.1186/s12882-017-0438-4

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© The Author(s). 2017

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. 6 — ESAs in anemic CKD patients. The 18 trials were divided into 2 groups. In 6 trials there was no ESAs administered in the control group. In 12 trials some patients in the control groups were given ESAs. The RR and range for each group (filled diamonds) and the overall RR (open diamond) are shown