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. 2021 Aug 28;22(1):101. doi: 10.1186/s10194-021-01303-w

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. 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 in a credit line to the data.

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Fig. 1 — Relative timing of freedom from most bothersome symptom (MBS) or functional disability and pain status. (a) Sequence of outcomes in patients that experienced MBS freedom and either pain freedom (N = 839) or mild pain (N = 388) at 2 h. (b) Sequence of outcomes in patients that experienced functional disability freedom and either pain freedom (N = 795) or mild pain (N = 116) at 2 h. Notes: Unsustained represented patients who experienced freedom from MBS or functional disability freedom and either freedom from pain or improvement to mild and then moved out of that group prior to 2 h post-dose. The denominator was the total population that achieved the MBS freedom or disability freedom at 2 h post-dose in either the pain free or mild pain groups