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. 2020 Feb 26;92:100575. doi: 10.1016/j.curtheres.2020.100575

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© 2020 The Author(s)

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Intention-to-treat (ITT) analysis: Western Ontario & McMaster Universities (WOMAC) and outcome Measures in Rheumatoid Arthritis Clinical Trials-Osteoarthritis Research Society International (OMERACT-OARSI) results. The first graph represents the WOMAC A (pain subscale) mean score evolution, with a continuous curve for each Kellgren-Lawrence (KL) radiologic osteoarthritis scale grade (I–IV), and vertical bars for the whole population. Error bars represent the standard error. Similarly, the second graph represents the WOMAC C (function subscale) score evolution. M = month.