Table 1 Clinical and demographic main features of multiple sclerosis (MS) study population grouped according to magnetic resonance imaging (MRI) evidence of disease activity
|  | Gd− MS (n = 30) | Gd+ MS (n = 30) |
|---|---|---|
Sex (F), N (%) | 21 (70.0) | 21 (70.0) |
Mean (SD) age (years) at study time | 45.3 (11.9) | 42.8 (11.3) |
Median (IQR) EDSS at study time | 2.3 (1.0–3.4) | 1.8 (1.0–2.8) |
Clinical activity at study time, N (%) | 21/30 (70) | 26/30 (86.7) |
CSF characteristics | ||
 Median (IQR) QAlb | 4.5 (3.3–5.8) | 4.7 (3.9–5.9) |
 Normal cell count (< 4 WBC/μl), N (%) | 29 (97) | 24 (80) |
 CSF-restricted IgG OCB (pos), N (%) | 22 (73.3) | 23 (76.7) |