Table 1.

Demographic and clinical characteristics

	MS (n = 14)	NC (n = 15)
Sex ratio (women/men)a	0.79 (11/3)	0.60 (9/6)
Age, yearsa	50.2 ± 8.2 (32–60)	37.7 ± 9.6 (25–52)
MS disease category, n (%)
-Progressive relapsing MS	1 (7%)	–
-Secondary progressive MS	3 (21%)	–
-CIS or relapsing-remitting MS	10 (71%)	–
Disease duration, yearsb	18.4 ± 10.7 (8.2–35.5)	–
EDSS score	3.1 ± 2.1 (0–6) (median 3.0)	–
Timed 25-ft walk, seconds	6.2 ± 2.7 (3.5–13.0)	–

Key: Data are mean ± standard deviation (range) unless otherwise indicated; MS multiple sclerosis, NC normal controls, CIS clinically isolated demyelinating syndrome, EDSS Expanded Disability Status Scale; ^aMS vs. NC were different on age (p = 0.0009) but not on sex (p = 0.43); ^bTime from first symptoms; n = number of subjects