No IVH (n=94) | Late grade 1 to 4 IVH (n=17) | p Value | p Value: controlling for gestation | |
---|---|---|---|---|
Data are medians and range. | ||||
MCA mean velocity (m/s) | 0.11 (0.02–0.29) | 0.095 (0.03–0.16) | 0.18 | |
MCA pulsatility index | 1.84 (0.77–12.3) | 1.96 (1.33–4.28) | 0.78 | |
Estimated MCA diameter (mm) | 1.3 (0.9–2.0) | 1.1 (1.0–1.5) | 0.006 | 0.116 |
Lowest average 6 hour MBP (mm Hg) | 28 (17–42) | 25 (15–34) | 0.003 | 0.195 |
SVC flow (ml/kg/min) | 49 (7–105) | 28 (10–55) | <0.0001 | <0.0001 |