Table 3.
In vivo myelin water fraction (MWF), intra/extracellular geometric mean T2 (I/E GMT2), intra/extracellular water fraction (I/EWF), and global GMT2 for each group and region of interest (standard deviation).
| MWF | I/E GMT2 (ms) | I/EWF | GMT2 | ||
|---|---|---|---|---|---|
| NAWM | |||||
| Stroke | 0.112 (0.012) | 74.4 (2.5) | 0.877 (0.013) | 67.0 (2.7) | |
| Healthy | 0.130 (0.011) | 72 (2.1) | 0.864 (0.012) | 62.8 (1.6) | |
| % difference of stroke relative to healthy | − 13.8⁎ | 3.3⁎ | 1.5⁎ | 6.7⁎ | |
| PLIC | |||||
| Contralesional | Stroke | 0.162 (0.024) | 73.3 (2.7) | 0.819 (0.020) | 61.8 (2.8) |
| Dominant | Healthy | 0.182 (0.027) | 72.5 (2.2) | 0.809 (0.027) | 60.1 (2.8) |
| % difference of stroke relative to healthy | − 10.0⁎ | 1.1 | 1.2 | 2.8 | |
| Ipsilesional | Stroke | 0.153 (0.031) | 73.5 (6.0) | 0.812 (0.055) | 67.4 (12.2) |
| Non-dominant | Healthy | 0.181 (0.027) | 72.3 (2.6) | 0.809 (0.028) | 60.3 (2.9) |
| % difference of stroke relative to healthy | − 14.9⁎ | 1.7 | 0.4 | 11.8 | |
NAWM: normal appearing white matter, PLIC: posterior limb of internal capsule.
⁎
p < .05.