Table 2. Data from the antenatal period after matching with propensity score.
| InVent N = 127 |
LISA N = 127 |
p | |
|---|---|---|---|
| Gestational age (weeks) | 28.1 [27.3;29.1] | 28.1 [27.0;29.2] | 0.925 |
| Birthweight (g) | 1040 [880;1150] | 1045 [832;1238] | 0.979 |
| Birthweight (z-Score) | 0.05 [-0.47;0.44] | -0.08 [-0.56;0.53] | 0.982 |
| Boys | 68 (53.5%) | 68 (53.5%) | 1.000 |
| Multiple births | 36 (28.3%) | 36 (28.3%) | 1.000 |
| Pre-eclampsia | 44 (34.6%) | 44 (34.6%) | 1.000 |
| PROM | 30 (23.6%) | 30 (23.6%) | 1.000 |
| Chorio-amnionitis | 17 (13.4%) | 17 (13.4%) | 1.000 |
| Use of antenatal steroids | 119 (93.7%) | 119 (93.7%) | 1.000 |
| Caesarean section | 85 (66.9%) | 86 (67.7%) | 1.000 |
| APGAR | 7.00 [5.00;8.00] | 7.00 [5.00;8.00] | 0.876 |
Data are presented as n (%) or the median [1st quartile; 3rd quartile]. InVent: intubation with tracheal ventilation for 1 h or more; LISA: less invasive surfactant administration; PROM: premature rupture of membranes