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Median myelin water fraction (fM) for the cross-sectional sample, by group and tissue type: normal-appearing spinal cord tissue (NASCT) and lesioned segments. Right-hand axis shows percent difference of each data point from the control group average. Data points outside of boxplot whiskers are outliers, defined as being beyond 1.5 interquartile range of each quartile. *Significant at p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001.
