Variables predicting intraventricular haemorrhage (IVH) in the study population (multivariate logistic regression model)
| Unifactorial (χ2 test) | Multifactorial (stepwise logistic regression) | |||
|---|---|---|---|---|
| Variable | p Value | Odds ratio | 95% CI | p Value |
| Bold indicates significance. | ||||
| *Variables included in first and second step of regression model. | ||||
| †Variables excluded at first step of regression model. | ||||
| IL, Interleukin. | ||||
| Gestational age* | 0.003 | 0.92 | 0.86 to 0.98 | 0.05 |
| Birth weight† | 0.17 | |||
| Antenatal steroid exposure† | 0.66 | |||
| Leucocyte count (/μl)† | 0.52 | |||
| C reactive protein > 5 mg/l† | 0.78 | |||
| Cord blood pH arterial† | 0.8 | |||
| Catecholamine treatment* | 0.002 | 3.6 | 1.15 to 11.3 | 0.028 |
| IL6 > 100 pg/ml† | 0.034 | NS | ||