Parameter | Preterm infants N = 90 | Full-term infants N = 52 | p a |
---|---|---|---|
 | Mean ± SD (Median) or n (%) | Mean ± SD (Median) or n (%) |  |
Gestational age at birth [wks] | 33.0 ± 3.0 (34) | 39.3 ± 1.2 (39) | <0.0001 |
Body weight at birth [g] | 2145 ± 628 (2175) | 3530 ± 387 (3595) | <0.0001 |
Male gender | 56 (62%) | 24 (46%) | 0.079 |
Cesarean section | 35 (39%) | 7 (14%) | 0.0012 |
Apgar score at 1 min | 7.8 ± 2.1 (8) | 9.3 ± 1.3 (10) | <0.0001 |
IVH | 19 (21%) | 1 (2%) | 0.0009 |
RDS | 18 (20%) | 0 (0%) | 0.0002 |
BPD | 7 (8%) | 0 (0%) | 0.048 |
ROP (stage 3 or more) | 6 (7%) | 0 (0%) | 0.086 |
NEC (stage II or more) | 3 (3%) | 0 (0%) | 0.30 |
Suspected infection | 30 (33%) | 1 (2%) | <0.0001 |
Anemia | 16 (18%) | 0 (0%) | 0.0006 |
Any complication | 38 (42%) | 2 (4%) | <0.0001 |
Antenatal steroids | 16 (18%) | 0 (0%) | 0.0006 |
Pre-eclampsia | 4 (4%) | 0 (0%) | 0.30 |
Diabetes mellitus | 0 (0%) | 1 (2%) | 0.37 |
Chorioamnionitis | 6 (7%) | 0 (0%) | 0.086 |
Premature rupture of membranes | 26 (29%) | 8 (15%) | 0.10 |