Table 1.

Demographic data of pediatric NMOSD from eight published series.

Pediatric NMOSD population	German	French	Brazilian	UK	US network	Multinational	Catalonia (Spain)	US
	n = 7 (15)	n = 12 (16)	n = 29 (17)	n = 20 (18)	n = 38 (6)	n = 12 NMO, 33 limited forms (19)	n = 5 (20)	n = 16 (21)
Mean age at onset	9.6 (5–14)	14.5 (4–17.9)	13 (5–17)	10.5 (2.9–16.8)	10.2 ± 4.7	9 (0.75–17)	n/a	12 (1–15)
Female/Male ratio	2.5:1	3:1	2.6–1	9:1	<11 years = 1.5:1 >11 years = 3.25:1	1:1	1.5:1	3:1
AQP4-IgG positive	2/7	8/12	22/27	12/20	24/37	5/45	2/5	70%
MOG-IgG positive	–	–	–	–	–	25/45	1/5	–
Race	White = 6/7 Arabian = 1/7	White = 8/12 Asian = 2/12 Black = 1/12 American Indian 1/12	Caucasian = 41% Mixed = 52% African = 7%	n/a	White = 37% African American = 37% Asian = 11%	Caucasian = 91% Non-Caucasian = 9%	n/a	White = 31%
Ethnicity					Non-Hispanic/non-Latino = 37% Hispanic/ Latino = 13%