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Patient and control demographics.
| Controls | Relapsing-remitting | Secondary-progressive | |
|---|---|---|---|
| Number (Male/Female) | 20 (6/14) | 20 (7/13) | 20 (6/14) |
| Mean age (range) [years] | 38.9 (24–72) | 33.0 (25–51) | 43.5 (31–63) |
| Mean disease duration (range) [years] | - | 6.7 (1–13) | 15.9 (8–37) |
| Median EDSS score (range) | - | 2.0 (1–4) | 6.0 (3.5–7.5) |
| Median ambulation index (range) | - | 0 (0–4) | 5.0 (0–8) |
