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. 2024 Feb 27;8:33. doi: 10.1186/s41747-024-00421-9

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© The Author(s) 2024

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 — a Quantitative contrast metrics. Boxplot of signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) between the choroid plexus and the ventricles for the three compared sequences: T1-weighted (T1w), fluid-attenuated inversion-recovery (FLAIR), and contrast-enhanced (CE) T1w. The asterisk indicates that the metrics between the two groups are statistically different (p < 0.05). b Quantitative segmentation metrics, from left to right: boxplot of the absolute volume of the manual segmentations (MSegs); boxplot of the percentage volume difference (ΔVol%) for T1w and FLAIR MSegs (reference CE-T1w); boxplot of the absolute percentage volume difference (|ΔVol%|) for T1w and FLAIR MSegs (reference CE-T1w). The asterisk indicates statistically significant differences between groups (p < 0.05)