Table 5. No. of episodes of ON and the worsening of VA, RNFL, and GCIPL.

No. of episodes of ON	AQP4-IgG+ (non-ON=13, ON=43)	MS (non-ON=23, ON=17)	MOG-IgG+ (non-ON=1, ON=8)	Idiopathic-ON (non-ON=8, ON=19)
VA (logMAR)
0	0.09±0.09	0.05±0.07	0.1	0.04±0.04
1	0.69±0.78	0.12±0.28	0	0.81±1.15
2	0.7±0.96	0.11±0.12	0.5±0.31	0.56±0.98
3	0.78±1	-	0.32±0.25	-
≥4	1.5±1.32	0.12	-	-
Average RNFL thickness (µm)
0	100±6	92±10	107	98±10
1	67±13	79±10	88	72±13
2	65±8	80±6	54±4	57±7
3	64±11	-	51±3	-
≥4	54±3	82	-	-
Average GCIPL thickness (µm)	Non-ON=10, ON=32	Non-ON=23, ON=17	Non-ON=1, ON=6	Non-ON=8, ON=17
0	84±5	77±6	86	82±4
1	58±8	67±10	78	59±10
2	55±3	72±5	54±5	50±1
3	59±6	-	-	-
≥4	60	64	-	-

ON: Optic neuritis; VA: Visual acuity; RNFL: Retinal nerve fiber layer; GCIPL: Ganglion cell-inner plexiform layers.

mean±SD