Table 1.
Baseline characteristics.
| Demographic | n = 93 |
|---|---|
| Female | 57 (61.3%) |
| Age at onset, median (IQR), year | 37 (31.3–41.8) |
| Clinical syndromes | n = 93 |
| Optic neuritis | 12 (15.4%) |
| Myelopathy | 32 (41.0%) |
| Brainstem or cerebellar syndrome | 28 (35.9%) |
| Hemispheric syndrome | 6 (7.7%) |
| Multifocal | 15 (16.1%) |
| MRI evaluation | n = 93 |
| Disease duration at baseline brain MRI, median (IQR), month | 0.5 (0–1) |
| Enhancement sequence of spinal MRI | 39/60 (65.0%) |
| CSF analysis | n = 65 |
| Disease duration at baseline lumbar puncture, median (IQR), month | 0.83 (0–2) |
| Positive OCBs | 36 (55.4%) |
| Positive OCBs in CDMS converter: non-converter | 30/48 (62.5%) : 6/17 (35.3%), p = 0.10 |
| Outcome | n = 93 |
| CDMS at follow-up | 71 (76.3%) |
| Time to CDMS, median (IQR), month | 10 (3.0–24.0) |
| Follow-up duration in non-converters, median (IQR), month | 44 (29.0–62.5) |
CDMS, clinically definite multiple sclerosis; CSF, cerebrospinal fluid; IQR, interquartile range; MRI, magnetic resonance imaging; OCB, oligoclonal band.