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. 2021 Oct 11;11:20133. doi: 10.1038/s41598-021-99701-2

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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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VOI-wise vs voxel-wise feature repeatability using the concordance correlation coefficient (CCC). (a) Volume-of-interest (VOI)-wise radiomics features were extracted from Zhao et al. (Supplementary Table S2) and also computed in this study (first two bars). Bar plot represents the average and standard deviation of the CCC values from all features extracted from all test–retest computed tomography (CT) scans. (b) Length of the bar represents the mean CCC value per analyzed feature across computed test–retest CT scans.