| HC | MS | |
| n | 34 | 34 |
| Female sex (n) | 26 | 19 |
| Mean age (years) | 39.5 (9.9) | 43.8 (11.8) |
| Mean age of onset of MS (years) | 34.1 (10.9) | |
| Mean duration of MS (years) | 10.1 (7.6) | |
| Mean EDSS | 4.8 (2.4) | |
| Mean MSSS | 6.2 (3.0) |
EDSS, Expanded Disability Status Scale; HC, healthy control subjects; MS, multiple sclerosis; MSSS, MS Severity Score.