Comparison of the minimum superior vena cava (SVC) flow and the number of recordings of SVC flow < 30 ml/kg/min in babies with no intraventricular haemorrhage (IVH), grade 1/2 late IVH, and grade 3/4 late IVH
| No late IVH (n = 92) | Late grade 1 or 2 IVH (n = 7) | Late grade 3 or 4 IVH (n = 11) | p Value | |
| Lowest SVC flow (ml/kg/min) | 44 (17–96) | 29 (18–39) | 26 (10–55) | 0.0001 |
| Number of SVC flow recordings < 30 ml/kg/min | 0 (0–3) | 1 (0–1) | 2 (0–3) | 0.0001 |
Values are medians and range.
Early IVH and babies dying before IVH could be assessed as an outcome are excluded from this analysis