Table 1.

Clinical characteristics of patients and controls

	RRMS vs controls			RRMS vs SPMS
Clinical variable	Controls n = 37	RRMS n = 41	p value	RRMS n = 9	SPMS n = 10	p value
Gender (female/male)	28/9	31/10	1.0	9/0	10/0	1.0
Age (years)	42.9 (10.1)	43.5 (9.6)	0.932	57.4 (8.8)	56.3 (9.6)	0.870
Disease duration (years)	–	4.6 (2.6)	–	23.5 (6.3)	22.7 (6.5)	0.806
EDSS	–	1.8 (1.1)	–	2.6 (1.2)	5.0 (1.5)	3.4 × 10− 3

Clinical characteristics of the patients and controls used for the study. Values shown as mean (standard deviation). RRMS relapsing-remitting multiple sclerosis, SPMS secondary progressive multiple sclerosis