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. 2020 Dec 16;3(1):e190199. doi: 10.1148/ryai.2020190199

Figure 5:

Distribution of intensity and texture intraclass correlation coefficient (ICC) values depending on the region of interest (ROI) definition. ICC for intensity and texture features extracted from, A, T2-weighted fluid-attenuated inversion recovery (T2W FLAIR) and, B, T1-weighted (T1W) postcontrast using manual ROI masks separately outlined for scan and rescan (blue) or the union of both masks to extract features from the scan as well as rescan (orange). There is no statistically significant difference (paired Wilcoxon test) in the ICC distributions between the ROI definitions.

Distribution of intensity and texture intraclass correlation coefficient (ICC) values depending on the region of interest (ROI) definition. ICC for intensity and texture features extracted from, A, T2-weighted fluid-attenuated inversion recovery (T2W FLAIR) and, B, T1-weighted (T1W) postcontrast using manual ROI masks separately outlined for scan and rescan (blue) or the union of both masks to extract features from the scan as well as rescan (orange). There is no statistically significant difference (paired Wilcoxon test) in the ICC distributions between the ROI definitions.