Table 3

Neonatal outcomes

Study infantsHistorical controlsStudy infantsHistorical controls
25–28 weeks, n=1125–28 weeks, n=2929–34 weeks, n=1429–34 weeks, n=144
Intubated in first 72 h of life3 (27%)17 (59%)0 (0%)22 (15%)
Surfactant given after intubation1 (9%)16 (55%)0 (0%)23 (16%)
Intubated at any time6 (55%)20 (69%)0 (0%)26 (18%)
Pneumothorax1 (9%)6 (21%)0 (0%)11 (7.6%)
PDA treated with indomethacin5 (45%)11 (38%)1 (7%)7 (4.9%)
Chronic lung disease in survivors3/10 (30%)4/26 (15%)0 (0%)1/142 (0.7%)
IVH (any)2 (18%)7 (24%)1 (7%)11 (7.6%)
IVH III or IV0 (0%)3 (10%)0 (0%)4 (2.8%)
ROP > stage 20 (0%)0 (0%)0 (0%)1 (0.7%)
Died1 (9%)3 (10%)0 (0%)2 (1.4%)
  • n (%). Historical controls from the years 2006–2008, including only inborns for 25–28-week gestation group. See text for details of statistical comparisons between study infants and controls.

  • IVH, intraventricular haemorrhage; PDA, patent ductus arteriosus; ROP, retinopathy of prematurity.