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. 2018 Apr 13;18:420. doi: 10.1186/s12885-018-4322-9

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© The Author(s). 2018

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 — WPAI-SHP scores among currently employed respondents. ET, essential thrombocythemia; MF, myelofibrosis; MPN, myeloproliferative neoplasm; PV, polycythemia vera; RA, rheumatoid arthritis; WPAI-SHP, Work Productivity and Activity Impairment Specific Health Problem questionnaire. All items based on 7-day recall (ie, regarding work/activity during the 7 days preceding the survey). *Ranges for published data include scores at baseline and after active treatment for RA in studies of European patients with moderate RA (Pavelka et al. 2013 [15]) and patients from the United States with moderate to severe RA (Hone et al. 2013 [13])