Location of postoperative DWI ischemic lesions and after a mean 6.2-month follow-up
| Location | Postoperative DWI | MR Imaging Follow-Up | P* | ||
|---|---|---|---|---|---|
| Persisted | Disappeared | Lost | |||
| Cortical | 19 | 4 (25%) | 12 (75%) | 3 | .02 |
| Subcortical | 10 | 7 (70%) | 3 (30%) | 0 | |
| Deep white matter | 3 | 1 (33%) | 2 (66%) | 0 | |
| Basal ganglia | 1 | 0 | 1 (100%) | 0 | |
| Total | 33 | 12 (40%) | 18 (60%) | 3 | |
* P value by χ2 test.