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. 2023 Oct 10;23:366. doi: 10.1186/s12883-023-03406-0

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© The Author(s) 2023

Open Access This 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 — Correlations of quality of life and functional status. The linear mixed model shows a significant positive correlation between the QMG (modified) and the MG-QoL15 and the MG-ADL and the MG-QoL15. (a) Scatter-plot: significant positive correlation between QMG (modified) and MG-QoL15. A 1-point increase in QMG results in an estimated mean 17.6-point increase in MG-QoL15. Note: number of presentations: 99; number of patients: 63. Intercept: coefficient 7.75; SE 1.90; p < 0.001. QMG: coefficient 17.60; SE 2.80; p < 0.001. (b) Scatter-plot: significant positive correlation between MG-ADL and MG-QoL15. Note: number of presentations: 81; number of patients: 54. Intercept: coefficient 5.95; SE 1.76; p = 0.001. MG-ADL: coefficient 2.55; SE 0.30; p < 0.001

Abbreviations: MG-ADL = Myasthenia Gravis-Activities of Daily Living scale, MG-QoL15 = 15-item Myasthenia Gravis-Quality of Life scale, QMG = Quantitative Myasthenia Gravis Score