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. 2016 Mar 19;25:2315–2322. doi: 10.1007/s11136-016-1272-z

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© The Author(s) 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.

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Fig. 1 — QoL changes from baseline to follow-up based on QoL status at baseline (N = 113). Green line mean score of a general reference population. Red line mean change of patients with near-to-normal QoL at baseline (>0.55). Yellow line mean change of patients with markedly reduced QoL at baseline (0.40–0.55). Blue line mean change of patients with severely reduced QoL at baseline (<0.40)