Table 1.

Incidence and prevalence of pediatric MS: results from various national cohorts

Country	Number	Age range	Syndrome	Diagnostic criteria	Prevalence	Incidence	Reference
Germany	126	≤ 15 years	MS	McDonald 2005		0.64	Reinhardt et al. [45]
Netherlands	86	<  18 years	ADS	Krupp 2007	–	0.66	Ketelsegers et al. [46]
UK	125	1-15 year	ADS	Krupp 2007	–	0.98	Absoud et al. [47]
Italy (Sardinia)	21	0-18 years	MS	Krupp 2013	26.92	2.85	Dell’Avvento et al. [48]
USA	81	0-18 years	ADS MS	Krupp 2007	–	1.66 0.51	Langer-Gould et al. [49]
Brazil	125	0-18 years	MS	Krupp 2007	5.5% of MS population		Fragoso et al. [50]
Iran (Shiraz)	88	1-18 years	ADS	–		0.19	Inaloo et al. [51]
Kuwait	122	<  18 years	MS	Krupp 2013	6.0	2.1	Alroughani et al. [20]

ADS acquired demyelinating syndromes