Table 1.
Characteristics | Late preterm group | Very preterm group |
---|---|---|
Number of neonates | 20 | 11 |
GA at birth | 35w 4d (33w 5d – 36w 3d) | 27w 3d (25w 2d – 31w 2d) |
Median GA at MRI | 38w 0d (37w 0d – 38w 5d) | 37w 4d (37w 0d – 40w 6d) |
Male gender | 14 | 6 |
Multiple pregnancy | 20 | 2 |
Antenatal steroids | 12 | 9 |
Chorioamnionitis | 2 | 3 |
Mechanical ventilation | 2 | 10 |
Inotropic support | 1 | 1 |
Normal clinical MRI | 19 | 6 |
Mild WM abnormality | 1 | 2 |
Moderate WM abnormality | 0 | 1 |
Intraventricular hemorrhage | 0 | 3 |
Gestational age given as median and range; WM abnormalities in clinical MR according to criteria given by Inder et al.28. Presence of intraventricular hemorrhage determined by MRI.