Table 2.

Conventional MRI results

	CHD (n = 50) n (%)	Control (n = 48) n (%)
Normal brain MRI	38 (76.0%)	43 (89.6%)
Brain abnormalities most likely developmental in origin
Gray matter heterotopia	3 (6.00%)	1 (2.08%)
Cortical developmental anomaly	1 (2.00%)	–
Developmental venous anomaly	3 (6.00%)	2 (4.17%)
Chiari 1	1 (2.00%)	–
Brain abnormalities most likely acquired in origin
Space occupying lesion	1 (2.00%)	–
Periventricular white matter injury	3 (6.00%)	–
Asymmetrical ventricles	3 (6.00%)	1 (2.08%)
Enlarged perivascular spaces	4 (8.00%)	1 (2.08%)
Focal rounded susceptibility artifact	2 (4.00%)	–
Diffuse susceptibility artifacts	2 (4.00%)	1 (2.08%)
Encephalomalacia	1 (2.00%)	–