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. 2023 Jul 24;33(12):8528–8539. doi: 10.1007/s00330-023-09876-7

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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/.

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Fig. 2 — Box plots showing the distribution of plaque attenuation and quantitative image quality parameters (SD, CNR, SNR) in different VMI energy levels and T3D images. Panel A depicts the distribution of attenuation values across different energy levels. Panel B depicts the distribution of image noise based on SD across different energy levels. Panel C depicts the distribution CNR across different energy levels. Panel D depicts the distribution SNR across different energy levels. Abbreviations: CNR, contrast-to-noise ratio; HU, Hounsfield unit; SD, standard deviation; SNR, signal-to-noise ratio