Table 2.
Univariate analysis of variables related to severe IVH
| Characteristics | Non-severe IVH (0, 1, 2) (N=158) | Severe IVH (3, 4) (N=27) | p–value |
|---|---|---|---|
| EGA | 26.3 (1.99) | 25.3 (1.58) | 0.011 |
| Female | 53.2% | 44.4% | 0.40 |
| Vaginal delivery | 30.4% | 29.6% | 0.94 |
| Multiple gestation | 23.4% | 37.0% | 0.13 |
| Apgar 5 min | 6 (5 – 7) | 5 (3 – 6) | 0.0038 |
| Vasopressor use | 31.0% | 48.1% | 0.081 |
| Mean ABP | 37.0 (5.07) | 35.3 (4.29) | 0.089 |
| Mean CBFV | 16.6 (3.51) | 17.4 (3.76) | 0.29 |
| Mean DCM | 8.5 (3.77) | 10.7 (4.26) | 0.0063 |
| Mean PaCO2 | 47.5 (4.61) | 48.8 (5.34) | 0.22 |
EGA – mean estimated gestational age; Apgar 5 min – median 5-minute Apgar score (IQR); ABP – arterial blood pressure; CBFV – middle cerebral blood flow velocity; DCM – diastolic closing margin; PaCO2 – arterial carbon dioxide tension.