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. 2015 Oct 14;17:289. doi: 10.1186/s13075-015-0803-2

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© Ma 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 — Survival curves for the ratio of patients with abnormal disease activity indicators and serum MMP-3 between non-progressive and progressive patients. P values were determined by log-rank tests between non-progressive and progressive groups. Pain VAS pain visual analogue scale, 28TJC 28-joint tender joint count, 28SJC 28-joint swollen joint count, PtGA patient global assessment of disease activity, PrGA provider global assessment of disease activity, HAQ health assessment questionnaire, CRP C-reactive protein, ESR erythrocyte sedimentation rate, DAS28 Disease Activity Score 28-joint assessment, SDAI simplified disease activity index, CDAI clinical disease activity index, MMP-3 matrix metalloproteinase-3, RF rheumatoid factor, anti-CCP anti-cyclic citrullinated peptide antibody