Table 2:

Diffusion metrics of lesioned and contralateral corticospinal tract in stroke with motor impairment

Diffusion Metric	Lesioned CSTa	Contralateral CSTa	P Value
MD	0.91 (0.07)	0.96 (0.03)	.003
Axial diffusivity	1.35 (0.12)	1.44 (0.06)	.002
Radial diffusivity	0.70 (0.05)	0.72 (0.04)	.031
Fractional anisotropy	0.41 (0.03)	0.43 (0.03)	.025
MK	1.19 (0.12)	1.10 (0.07)	.002
Axial kurtosis	0.94 (0.11)	0.84 (0.03)	.001
Radial kurtosis	1.48 (0.18)	1.43 (1.13)	.193
AWF	0.41 (0.02)	0.40 (0.02)	.246
Intra-axonal diffusivity	0.71 (0.09)	0.78 (0.06)	.001
Extra-axonal axial diffusivity	1.95 (0.17)	2.05 (0.10)	.002
Extra-axonal radial diffusivity	1.07 (0.07)	1.10 (0.05)	.049

Note:—AWF indicates axial water fraction.

^aMean (SD).