Table 3:

Size of postoperative DWI and follow-up MR imaging ischemic lesions

SizePostoperative DWIFollow-Up MR ImagingP*
PersistedDisappearedLost
0–5 mm193 (17%)14 (83%)2.004
5–10 mm149 (69%)4 (31%)1
Total3312183

  • * P value by χ2 test.