Table 1.

Summary characteristics of MS patients.

Variable	Mean ± SD [range]/n (%)
N	40
+ Relapsing-remitting disease	38 (95%)
+ Primary progressive disease	2 (5%)
Female	32 (80%)
Age (years)	36.5 ± 9.0 [18–53]
Age at first symptom (years)	33.8 ± 9.2 [18–53]
Age at diagnosis (years)	36.7 ± 9.1 [18–53]
Disease duration (years)	2.6 ± 3.5 [0–13]
Disease duration, ≤ 1 year	24 (60%)
EDSS ≥ 2	14 (35%)
OCB presence	32 (82.1%)
CSF IgG Index	1.15 ± 0.76 [0.40–4.82]
Serum 25(OH)D level (nmol/L)	49.6 ± 19.4 [17.0–95.0]
Serum 25(OH)D level (adj)* (nmol/L)	47.8 ± 17.7 [4.4–77.6]

*Adj. serum 25(OH)D levels adjusted for seasonal variation.