Table 1:

Average fractional anisotropy and mean diffusivity in regions of interest in the anterior, lateral, posterior, and central spinal cord at the C2–C3 level, in 24 patients with multiple sclerosis and 24 age- and sex-matched normal volunteers

	Anterior		Lateral		Posterior		Central
	Left	Right	Left	Right	Left	Right
Fractional anisotropy
Cases (n = 24)	0.50 ± 0.12	0.50 ± 0.12	0.56 ± 0.12	0.55 ± 0.10	0.52 ± 0.11	0.52 ± 0.12	0.53 ± 0.10
Controls (n = 24)	0.51 ± 0.09	0.49 ± 0.10	0.69 ± 0.11	0.69 ± 0.10	0.63 ± 0.11	0.64 ± 0.11	0.58 ± 0.10
P values	.63	.67	<.0001	<.0001	.001	.001	.05
Mean diffusivity (×10−3 mm−2s−1)
Cases	0.92 ± 0.21	0.99 ± 0.30	0.91 ± 0.29	0.92 ± 0.26	0.92 ± 0.22	0.92 ± 0.24	0.89 ± 0.18
Controls	0.86 ± 0.17	0.86 ± 0.17	0.79 ± 0.16	0.75 ± 0.25	0.80 ± 0.11	0.81 ± 0.12	0.81 ± 0.14
P values	.33	.06	.06	.02	.03	.06	.077