Table 3.

Intra-rater agreement for dMRI parameters generated by ROI placement in genu of corpus callosum and corticospinal tracts.

	gCC		Right CST		Left CST
	FA	MD × 10−3 mm2/s	FA	MD × 10−3 mm2/s	FA	MD × 10−3 mm2/s
ROI Measure 1/Mean (95% CI)	0.38 (0.22–0.54)	1.38 (1.01–1.75)	0.423 (0.31–0.54)	1.033 (0.94–1.13)	0.43 (0.33–0.53)	1.031 (0.95–1.11)
ROI Measure 2/Mean (95% CI)	0.39 (0.21–0.57)	1.39 (1.08–1.70)	0.421 (0.30–0.54)	1.031 (0.93–1.13)	0.42 (0.32–0.52)	1.024 (0.93–1.12)
Mean difference	−0.001	−0.005	−0.0005	0.003	0.004	0.002
95% limits of agreement	−0.08 to 0.08	−0.3 to 0.29	0.08 to 0.08	−0.08 to 0.08	−0.06 to 0.07	−0.1 to 0.1
ICC/Mean (95% CI)	0.94 (0.9–0.96)	0.78 (0.65–0.86)	0.86 (0.78–0.91)	0.79 (0.67–0.86)	0.86 (0.78–0.91)	0.56 (0.32–0.72)
p value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001