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. 2023 Aug 2;1:9. doi: 10.1038/s44276-023-00010-0

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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/.

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Fig. 1 — The single-phase model is obtained from one of both acquisition CT phases (arterial or venous) of the development cohort, whereas the multiphase model included the co-registered images of the arterial and venous phases. Feature selection and model fitting was performed for both approaches. The model is validated in the test cohort and combined with clinical data to improve the predictive capacity.