Table 1.
Baseline cystic periventricular leukomalacia (cPVL) and control group characteristics.
| Characteristic | cPVL (n = 32) | Controls (n = 6,440) | P |
|---|---|---|---|
| Gestational age (d) | 207.5 (184–255) | 273 (168–297) | <0.001 |
| Below 34 gestational weeks (%) | 97 | 9 | <0.001 |
| Multiparous (n [%]) | 12 (38) | 3145 (49) | 0.198 |
| Birth weight (g, median [range]) | 1197.5 (740–2250) | 3270 (300–5700) | <0.001 |
| PROM (n [%]) | 18 (56) | 714 (11) | <0.001 |
| pPROM-delivery interval (h, median [range]) | 38 (0–960) | 1.3 (0–2170) | 0.004 |
| Chorioamnionitis (n [%]) | 18 (56) | 73 (1) | <0.001 |
| Lung maturation administration (n [%]) | 27 (84) | 281 (5) | <0.001 |
| Infant sex (n [%]) | |||
| Female | 8 (25) | 3049 (47) | 0.012 |
| Male | 24 (75) | 3390 (53) |
PROM: premature rupture of the membranes; pPROM: preterm premature rupture of the membranes.