Table 1:

Pearson correlation coefficients for the association of MD with perfusion measures within each area of the corpus callosum of patients with RRMS and control subjects

Location	CBV		CBF		MTT
Location	r	P	r	P	r	P
RRMS (n = 14)
Genu	0.25	.87	0.23	.89	0.08	.73
Body	0.63	.046	0.86	<.0001	−0.39	.08
Splenium	0.65	<.0001	0.83	<.0001	−0.33	.08
Control (n = 17)
Genu	−0.09	.74	0.04	.64	−0.15	.33
Body	−0.01	.72	0.17	.81	−0.21	.61
Splenium	−0.03	.54	−0.004	.82	−0.11	.73

Note:—MD, mean diffusivity; RRMS, relapsing-remitting multiple sclerosis; CBF, cerebral blood flow; CBV, cerebral blood volume; MTT, mean transit time. Statistical significance accepted at P < .05.