Table 2. Number of patients with a T2 hyperintense white matter lesion on a FLAIR T2-weighted image.
| 3 year | 5 year | |
|---|---|---|
| Grade, n (%) | ||
| 1 | 13 (9.8) | 14 (10.5) |
| 2 | 12 (9.0) | 16 (12.0) |
| 3 | 2 (1.5) | 2 (1.5) |
| Total | 27 (33.3) | 32 (39.5) |
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