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Demographic characteristic of the patients
| Group | Sex | Age (mean ± SD) | Age of onset (mean ± SD) | Duration of the disease (mean ± SD) | Median of EDSS (range) | Initial symptoms | No. relapses (mean ± SD) |
|---|---|---|---|---|---|---|---|
| Patient | Women : 68 men : 34 |
34.4 ± 9.8 | 27.3 ± 9.7 | 7.7 ± 5.7 | 5.5 (0–9.5) | Visual: 45% Others: 55% |
4.5 ± 2.8 |
| Control | Women : 53 men : 49 |
31.1 ± 1.2 | -------------- | -------------- | --------------- | ------------ | ---------- |
SD: standard deviation
EDSS: Expanded Disability Status Scale
