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 |
|||
|---|---|---|---|---|---|---|
| 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.