Table 1.

The demographic and clinical data of the patients with NMOSD and healthy controls

	NMOSD	Healthy controls
Number of subjects	55	33
Number of eyes enrolled	108	66
Female, n (%)	52 (94.5)	31 (93.9)
Age (years, mean±SD)	40.8±13.0	43.2±11.3
Both eyes affected, n (%)	19 (34.5)	–
Only one eye affected, n (%)	14 (25.5)	–
No history of ON, n (%)	22 (40)	–
Disease duration (months, median, range)	24 (3–192)	–
VFSS of patients with history of ON (mean±SD)	3.2±1.9	–
EDSS (median, range)	2.0 (1–7.5)	–

EDSS, Expanded Disability Status Scale; NMOSD, neuromyelitis optica spectrum disorders; ON, optic neuritis; VFSS, visual functional system score.