Table 2 Baseline and first-year MRI data and conversion to clinically definite MS (CDMS)
| Parameters | Total | Conversion to CDMS |
|---|---|---|
| Values are expressed as n (%). | ||
| * 3 or 4 Barkhof criteria. | ||
| † 3 or 4 Barkhof criteria or two lesions plus oligoclonal bands. | ||
| ‡ At least one new T2 lesion. | ||
| Baseline MRI (n = 139) | ||
| Normal | 38 (27) | 2 (5) |
| One lesion | 8 (6) | 1 (12.5) |
| Two lesions | 9 (6.5) | 2 (22) |
| ≥3 lesions | 84 (60) | 33 (39) |
| <3 Barkhof criteria | 81 (58) | 11 (14) |
| Dissemination in space* | 58 (42) | 27 (47) |
| Dissemination in space† | 77 (56) | 33 (43) |
| First-year MRI (n = 139) | ||
| Dissemination in time‡ | 62 (45) | 29 (47) |
| Baseline and first-year MRI | ||
| Dissemination in space and time at 12 mo | 51 (37) | 30 (59) |