Table 1:

Postnatal brain injury scoring system^a

MRI Finding	MRI Score
	0	1	2	3	4
Ventriculomegaly	<10 mm	10–15 mm	>15 mm	Obstructive
Extra-axial spaces	<5 mm	5–10 mm	>10 mm
Intraventricular hemorrhage	None	Grade 1	Grade 2	Grade 3	Grade 4
Parenchymal hemorrhage (not grade 4 intraventricular hemorrhage)	Absent	Present
Cerebellar hemorrhage	None	<3 foci, <5-mm size	>3 foci or >5-mm size
White matter injury	None	<3 foci, unilateral	>3 foci or bilateral	Multiregional
Cortical injury	None	Single	Multiple	Extensive
Basal ganglia injury	None	Single	Multiple	Extensive

^aPostnatal brain injury graded on a published scale.¹