Table 1.

Summary of demographics

	Multiple sclerosis	Acute optic neuritis	Neuromyelitis optica	Healthy control matched to multiple sclerosis cohort	Healthy control matched to neuromyelitis optica cohort
Subjects, n	98	20	22	50	22
Age at OCT scan (years) (SD)	41.7 (10.8)	37.5 (10.1)a	48.3 (9.9)	40.5 (7.7)	46.7 (7.6)
Sex, n (%)
Male	28 (29)	2 (10)	3 (14)	15 (30)	6 (27)
Female	70 (71)	18 (90)	19 (86)	35 (70)	16 (73)
Average disease duration (SD)	12.4 (8.6)	4.7 (5.3)	7.1 (7.4)
Eyes with history of acute optic neuritis, n (%)	73 (37)	24 (60)	19 (45)

a At baseline.

OCT = optical coherence tomography; SD = standard deviation.