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 |