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. 2017 Feb 20;18:69. doi: 10.1186/s12882-017-0445-5

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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. 3 — Vascular access insertion site association with filter life. Effect estimates are grouped by category. Studies reporting as difference in means, correlations or risk are summarised in odds ratios. Hazard ratios are presented separately