Table 1.
Baseline characteristics of CIS patients.
| Variable | Number of patients (%) |
|---|---|
| Gender | |
| Female | 55 (56.7%) |
| Male | 42 (43.3%) |
|
| |
| Age (mean ± SD) | 26.88 ± 7.25 |
|
| |
| Age | |
| <30 years | 70 (72.2%) |
| ≥30 years | 27 (27.8%) |
|
| |
| Age at onset (mean ± SD) | 25.02 ± 7.06 |
|
| |
| Age at onset | |
| <30 years | 73 (75.3%) |
| ≥30 years | 24 (24.7%) |
|
| |
| Clinical presentation | |
| Supratentorial | 31 (32%) |
| Optic pathway | 17 (17.5%) |
| Brainstem/cerebellar | 23 (23.7%) |
| Spinal cord | 30 (30.9%) |
| Multifocal | 7 (7.2%) |
|
| |
| Number of MRI lesions | |
| 0 | 2 (2.1%) |
| 1–3 | 18 (18.6%) |
| 4–8 | 37 (38.1%) |
| ≥9 | 40 (41.2%) |