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. 2015 Dec 24;17:378. doi: 10.1186/s13075-015-0897-6

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© Wallman et al. 2015

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. 2 — Adherence to anti-TNF therapy. Kaplan-Meier survival curves from initiation of anti-TNF therapy, showing adherence to anti-TNF treatment in the non-radiographic axial spondyloarthritis (nr-axSpA) and ankylosing spondylitis (AS) groups, respectively. Cessation of anti-TNF therapy was defined as stopping therapy without restarting another anti-TNF agent within 3 months. Numbers of patients still on anti-TNF treatment at the respective time points are shown below the graph