Table 5.
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 |
HR, Hazard ratio; 95 % CI, 95 % Confidence interval.