Distribution of neuroimaging with subsequent neurodevelopmental assessment (number of children/number of scans)
| Imaging modality | 2-year-old children (n=48) | 5-year-old children (n=32) | 8-year-old children (n=29) | Total children/total scans |
| Ultrasound | 47/78 | 32/40 | 28/34 | 81/119 |
| MRI | 31/35 | 21/21 | 21/23 | 57/65 |
| Total children/scan numbers | 48/113 | 32/61 | 29/56 | 83/182 |