Table 1 Baseline characteristics of very preterm infants included in the follow-up study.
Demographic and perinatal data | Exposed (n = 33) | Unexposed (n = 63) | p-value |
|---|---|---|---|
Gestational age (weeks) | 28.2 ± 2.2 | 28.2 ± 2.2 | 1.000 |
Birth weight (grams) | 962 ± 316 | 1008 ± 292 | 0.478 |
Length of stay (days) | 47.2 ± 32.5 | 25.7 ± 45.1 | 0.017 |
Gender (male) | 21 (64%) | 39 (62%) | 1.000 |
Prenatal steroids | 0.721 | ||
0 doses | 12 (36%) | 22 (35%) | |
1 dose | 13 (39%) | 21 (33%) | |
>1 dose | 8 (24%) | 20 (32%) | |
Chorioamnionitis* | 2 (6%) | 6 (10%) | 0.711 |
PROM** | 9 (27%) | 14 (22%) | 0.620 |
Postnatal clinical conditions: | |||
Sepsis*** | 21 (64%) | 37 (59%) | 0.667 |
IVH grade 3/4 | 3 (9%) | 3 (5%) | 0.411 |
RDS grade 3/4 | 11 (33%) | 19 (30%) | 0.818 |
Cystic PVL | 0 (0%) | 2 (3%) | 0.544 |
NEC grade 2/3 | 1 (3%) | 0 (0%) | 0.334 |
BPD **** | 20 (61%) | 25 (40%) | 0.056 |
Postnatal steroid exposure | 10 (30%) | 13 (21%) | 0.321 |