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. 2022 Dec 3;19:133. doi: 10.1186/s12984-022-01114-3

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© The Author(s) 2022

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. 2 — Correlations between ARAT and ARAT-VR scores. a In this correlation plot, each point represents paretic hand’s score obtained when performing the ARAT-VR in relation to the ARAT-19 score. Spearman correlation coefficients (r) and their p-value (p) are presented at the left side of the graph. A linear regression is plotted in red. b In this correlation plot, each point represents the ARAT-13 paretic hand’s score in relation to the ARAT-19 score. Spearman correlation coefficients (r) and their p-value (p) are presented at the left side of the graph. A linear regression is plotted in red. c In this correlation plot, each point represents paretic hand’s score obtained when performing the ARAT-VR in relation to the ARAT-13 score. Spearman correlation coefficients (r) and their p-value (p) are presented at the left side of the graph. A linear regression is plotted in red. d In this Bland–Altman plot, each point represents the paretic hand’s average ARAT score, computed by pooling both ARAT-VR and ARAT-13 results, in relation to the paretic hand’s ARAT score difference, computed by subtracting the ARAT-VR to the ARAT-13 results. The horizontal black line represents the mean ARAT score difference and the horizontal red lines, the limits of agreement regarding this mean ARAT score difference (mean difference ± 1.96 standard deviation)