FA versus the Motricity Index adjusted for covariates of age, total infarct volume, and infarct volume overlap with the corticospinal tracta
| No. of Significant Voxels | Significant Voxels (%) | r | P | |
|---|---|---|---|---|
| Anterior corona radiata, R | 69 | 4.4% | 0.379 | .027 |
| Anterior limb of internal capsule, R | 383 | 55.1% | 0.396 | .025 |
| Body of corpus callosum | 23 | 2.4% | 0.275 | .032 |
| Cerebral peduncle, R | 47 | 10.1% | 0.285 | .030 |
| Cingulum (cingulate gyrus), L | 22 | 3.8% | 0.252 | .032 |
| Cingulum (cingulate gyrus), R | 41 | 6.8% | 0.297 | .032 |
| External capsule, L | 86 | 11.0% | 0.311 | .030 |
| External capsule, R | 129 | 19.5% | 0.392 | .033 |
| Genu of corpus callosum | 17 | 5.6% | 0.237 | .039 |
| Posterior limb of internal capsule, R | 419 | 73.6% | 0.434 | .023 |
| Posterior thalamic radiation, L | 22 | 4.0% | 0.296 | .035 |
| Retrolenticular part of internal capsule, L | 20 | 14.0% | 0.269 | .036 |
| Retrolenticular part of internal capsule, R | 87 | 31.3% | 0.398 | .027 |
| Sagittal stratum, L | 131 | 37.6% | 0.345 | .031 |
| Sagittal stratum, R | 128 | 29.6% | 0.361 | .031 |
| Splenium of corpus callosum | 1068 | 65.2% | 0.443 | .023 |
| Superior corona radiata, L | 40 | 3.1% | 0.371 | .034 |
| Superior corona radiata, R | 188 | 13.8% | 0.563 | .021 |
| Superior longitudinal fasciculus, L | 126 | 8.7% | 0.307 | .039 |
| Superior longitudinal fasciculus, R | 68 | 5.0% | 0.536 | .033 |
| Uncinate fasciculus, R | 23 | 30.3% | 0.451 | .033 |
Note:—L indicates left; R, right.
↵a The reported P value is corrected for multiple comparisons using permutation-based testing. Voxels are reported from NAWM ROIs that exclude infarcts and white matter hyperintensities visible from FLAIR images. The right hemisphere represents the infarcted hemisphere.