Table 1: Demographic characteristics and Hcy levels of NMO patients and controls.

	NMO (n = 66)	HC (n = 66)	P
Gender, F:M	54:12	54:12	1
Age, years	47.2 ± 12.4	44.2 ± 14.7	0.213
Disease duration, months	49.1 ± 54.6	-	-
EDSS	3.7 ± 2.2	-	-
NMO-IgG seropositivity	45 (68.2%)
Hcy (µmol/L)	9.8 ± 3.7	7.8 ± 2.0	< 0.001

Abbreviations: Hcy: Homocysteine; NMO: Neuromyelitis Optica;
HC: Healthy Control; F: Female; M= Male; EDSS: Expanded Disability Status Scale.