Associations of MR imaging features with PTA (n = 188) and WRS (n = 193)
| MR Imaging Features | CCsa | P Valuesa |
|---|---|---|
| PTA | ||
| Volume (n = 186) (cm3) | 0.25 | <.001 |
| Mean ipsilateral/contralateral intensity | ||
| T1 | 0.18 | .02 |
| FLAIR (n = 73) | 0.07 | .5 |
| Postgadolinium T1 | 0.28 | <.001 |
| WRS | ||
| Volume (n = 191) (cm3) | –0.25 | <.001 |
| Mean ipsilateral/contralateral intensity | ||
| T1 | –0.09 | .2 |
| FLAIR (n = 76) | –0.16 | .17 |
| Postgadolinium T1 | –0.21 | .003 |
↵a CCs and P values are for associations with PTA and WRS.