Epidemiology of Neuromyelitis Optica in the World: A Systematic Review and Meta-Analysis

Table 4

Prevalence of Neuromyelitis optica globally (data gathered from query data of Multiple Sclerosis International Federation (http://www.MSIF.org/)).

Number	Country	Number of people with NMO	Prevalence of NMO (per 100,000)	Incidence of NMO (per 100,000)	Mean age of NMO onset
1	Albania	25	1.3
2	Australia	18	0.08		33
3	Austria	71	1		45.7
4	Bahrain	10	2	2	25
5	Belgium	25	0.23
6	Costa Rica	18	0.4
7	Cuba	58	0.52	0.05
8	Cyprus	10	1.1	0.2	33.1
9	Denmark	200	4.4	0.4	35.6
10	Estonia	105	7
11	France	325	0.5	0.2	31
12	Germany	1050	1.3		39
13	Ghana	30	0.12		30
14	Hungary	140	1.41
15	Islamic Republic of Iran	1000	1.29		32
16	Iraq	16	0.05	0.0015	32.5
17	Ireland	50	1		35
18	Japan	3500	2.75		37
19	Kenya	20	0.05
20	Kuwait	15	0.45		29
21	Libya	5	0.08
22	Malta	1	0.23		60
23	Mexico	1000	1	0.12	30
24	Netherlands	500	5		35
25	Nicaragua	10	0.2	0.04
26	Norway	80	2	0.2	35
27	Paraguay	122	5	0.8	30
28	Republic of Korea	420	0.85		34
29	Saudi Arabia	20	0.07		30
30	Serbia	45	0.47		41.3
31	Singapore	144	2.66		44
32	South Africa	400	5	1	35
33	Taiwan	400	1.72
34	Thailand	286	0.43		37
35	Tunisia	10	0.09
36	United Arab Emirates	15	0.16		35
37	United Kingdom	400	0.7	0.2	40.6
38	Uruguay	20	1		30