PDSA 1 (n=70) | PDSA 2 (n=73) | PDSA 3 (n=152) | P value | |
GA (weeks, ‾X±s) | 28.8±1.6 | 28.3±1.7 | 28.5±1.7 | NS |
BW (g, ‾X±s) | 1122±228 | 1101±221 | 1096±232 | NS |
Maternal hypertension | 29 (41.4) | 21 (28.8) | 62 (40.8) | NS |
Caesarean section | 55 (78.6) | 45 (61.6) | 108 (71.1) | NS |
Apgar score at 1 min <7 | 30 (42.9) | 38 (52.1) | 86 (56.6) | NS |
Apgar score at 5 min <7 | 16 (22.9) | 15 (20.5) | 38 (25.0) | NS |
Hypothermia | 49 (70.0) | 45 (61.6) | 89 (58.6) | NS |
Mortality | 5 (7.1) | 8 (11.0) | 13 (8.6) | NS |
Pulmonary haemorrhage | 6 (8.6) | 7 (9.6) | 7 (4.6) | NS |
BPD | 8 (11.4) | 5 (6.8) | 15 (9.9) | NS |
IVH | 9 (12.8) | 5 (6.8) | 24 (15.8) | NS |
NEC | 3 (4.3) | 3 (4.1) | 8 (5.3) | NS |
LOS | 28 (40.0) | 21 (28.8) | 41 (26.9) | NS |
ROP | 3 (4.3) | 3 (4.1) | 13 (8.6) | NS |
Data are presented as the mean or n (%).
BPD, bronchopulmonary dysplasia; BW, birth weight; GA, gestational age; IVH, intraventricular haemorrhage; LOS, late-onset neonatal sepsis; NEC, necrotising enterocolitis; NS, not significant; ROP, retinopathy of prematurity.