Maternal data | |
Age, years | 31.2 (5.4) |
Pregnancy data | |
Antenatal steroid therapy | 876 (37%) |
Multiplets | 612 (26%) |
Gestational age (weeks) | 32.8 (1.3) |
Infant data | |
Birth weight (g) | 2086 (476) |
Small for gestational age | 301 (13%) |
Male sex | 1253 (52%) |
Neonatal morbidity and treatment | |
Apgar score 5 minutes <4 | 15 (0.6%) |
Respiratory distress syndrome | 291 (12%) |
Mechanical ventilation | 79 (3.3%) |
Infection | 320 (13%) |
Antibiotic treatment | 677 (28%) |
Hypoglycaemia | 430 (18%) |
Hyperbilirubinaemia (requiring treatment) | 1408 (59%) |
Patent ductus arteriosus (requiring treatment) | 30 (1.3%) |
Bronchopulmonary dysplasia (oxygen therapy at 36 weeks of postmenstrual age) | 22 (0.9%) |
Severe neonatal morbidity* | 34 (1.4%) |
Values are mean (SD) or numbers (proportions).
*Severe neonatal morbidity include infants with one or more of the following diagnoses: retinopathy of prematurity grade 3ā4, intraventricular haemorrhage grade 3ā4 or bronchopulmonary dysplasia.