Table 1:

Characteristics of included studies

Study	Country	Total Sample Size	Mean Age (Range) (yr)	% Male	MR Imaging Magnet	<2 mm3 Resolution	T2 or FLAIR WI	3D
Kim et al, 20023	US	225	NA (1–18)	44	1.5	No	Yes	No
Kumra et al, 20064	US	60	NA (10–21)	NA	1.5	No	Yes	Yes
Seki et al, 20105	Japan	110	NA (5–8)	54	1.5	No	Yes	Yes
Gur et al, 20136	US	1400	14.8 (8–21)	48	3	Yes	No	Yes
Kaiser et al, 20157	US	114	8.3 (0.2–18)	41	3	Yes	Yes	Yes
Monterrey et al, 20178	US	65	10.1 (NA)	71	3	Yes	No	Yes
Jansen et al, 20179	Netherlands	3966	10.1 (8.6–11.9)	49	3	Yes	Yes	Yes

Note:—NA indicates not applicable; WI, weighted imaging.