Table 3

 Logistic regression analysis to determine independent factors associated with severe motor disability

Values are adjusted odds ratio (95% confidence interval) for significant factors only.
†Parenchymal pathology and/or ventriculomegaly on final cranial ultrasound scan.
*p<0.05, **p<0.01, ***p<0.001.
Antenatal
    Male2.35 (1.03 to 5.39)*
    Antepartum steroids0.36 (0.15 to 0.84)*
Perinatal
    Antepartum steroids0.39 (0.17 to 0.92)*
    Vaginal breech delivery2.57 (1.14 to 5.79)*
Day 1 postnatal
    Moved hospitals within 24 hours6.82 (2.84 to 16.38)***
To discharge
    Moved hospitals within 24 hours4.98 (1.79 to 13.87)**
    Pulmonary haemorrhage7.34 (2.22 to 24.28)***
    >6 weeks systemic steroids5.11 (1.73 to 15.07)**
    Significantly abnormal USS†7.15 (2.73 to 18.74)***