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. 2021 Nov 17;11:22455. doi: 10.1038/s41598-021-01915-x

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© The Author(s) 2021

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/.

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Correlations between pain scores and degree in PHN within different sparsity. (A) Correlations between pain score and mean degree of the left rectus gyrus (REC.L) in PHN patients. The mean degree of the REC.L was significantly positively correlated with the pain score (R = 0.67, p = 0.005). (B) Correlations between pain score and mean degree of the REC.L in PHN patients within different sparsity.