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European Radiology Experimental
Fig. 2 | European Radiology Experimental

Fig. 2

From: Choroid plexus volume in multiple sclerosis can be estimated on structural MRI avoiding contrast injection

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)

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