Table II.

DTI data at 3T

	RA(L)	RA(R)	ΔRA	Eig1(L)	Eig1(R)	ΔEig1	Eig2(L)	Eig2(R)	ΔEig2	Eig3(L)	Eig3(R)	ΔEig3	No. Vox (L)	No. Vox (R)
1	0.37	0.24	0.13	1.403	1.227	0.177	0.753	0.796	−0.043	0.385	0.566	−0.181	81	80
2	0.33	0.20	0.13	1.350	1.114	0.236	0.793	0.888	−0.095	0.404	0.539	−0.136	74	71
3	0.37	0.21	0.16	1.421	1.195	0.226	0.802	0.880	−0.078	0.418	0.611	−0.193	94	85
4	0.32	0.24	0.09	1.356	1.261	0.095	0.789	0.830	−0.041	0.454	0.597	−0.143	76	83
5	0.31	0.19	0.12	1.415	1.157	0.258	0.818	0.892	−0.074	0.498	0.610	−0.111	97	97
6	0.37	0.30	0.07	1.375	1.241	0.134	0.773	0.819	−0.046	0.374	0.444	−0.070	99	91
7	0.37	0.22	0.15	1.472	1.203	0.269	0.731	0.908	−0.177	0.446	0.557	−0.111	66	87
8	0.37	0.28	0.09	1.434	1.299	0.135	0.710	0.779	−0.069	0.406	0.509	−0.103	55	57
Mean	0.35	0.24	0.12	1.403	1.212	0.191	0.771	0.849	−0.078	0.423	0.554	−0.131	80	81
SEM	0.01	0.01	0.01	0.015	0.021	0.023	0.013	0.017	0.016	0.014	0.020	0.015	5.5	4.4
t			10.38			8.32			−4.97			−9.02
P			0. 0005			0. 0005			0.002			0. 0005		n.s

Eigenvalues of a diffusion tensor are given in 10⁻³ mm²/sec. Voxel size = 1.17 × 1.17 × 4.5 = 6.2 mm³.

Eig1, the first eigenvalue of a diffusion tensor; Eig2, the second eigenvalue; Eig3, the third eigenvalue; L, left; R, right.