Brain injury scoring system
| MRI Findings vs 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 |