Variable | HR | 95% CI | P |
---|---|---|---|
Neonate-related | |||
Prematurity (≤37 wks) | 1.08 | 1.03-1.14 | 0.02 |
Low birth weight (≤2500 g) | 1.04 | 1.01-1.08 | 0.01 |
Perinatal asphyxia | 2.96 | 1.43-6.15 | 0.003 |
Apgar score ≤5 | 1.40 | 1.19-1.76 | 0.004 |
Clinical course- and medical care-related | |||
Mechanical ventilation required | 1.60 | 1.19-2.40 | 0.001 |
Surgical procedure required | 2.85 | 1.49-5.46 | 0.002 |
Invasive medical procedure required | 2.07 | 1.63-2.62 | <0.0001 |