Table 3

Adverse clinical outcomes (data are number (%) and odds ratio (95% confidence intervals))

All infantsSurviving infants
Control group (n=122)Experimental group (n=123)Odds ratioControl group (n=106)Experimental group (n=104)Odds ratio
Death16 (13%)19 (15%)1.210 (0.590-2.481)
Ventilator dependent day 1527 (22%)24 (20%)0.853 (0.460-1.582)25 (24%)18 (17%)0.678 (0.344-1.335)
O2 dependent 36 weeks24 (20%)23 (19%)0.832 (0.436-1.588)24 (23%)19 (18%)0.688 (0.346-1.366)
Pneumothorax11 (9%)9 (7%)0.797 (0.318-1.997)8 (8%)5 (5%)0.619 (0.196-1.957)
PIE12 (10%)10 (8%)0.811 (0.337-1.954)7 (7%)3 (3%)0.420 (0.106-1.671)
Pulmonary haemorrhage10 (8%)7 (6%)0.676 (0.249-1.837)5 (5%)1 (1%)0.196 (0.023-1.708)
Abnormal USS at 6 weeks14 (11%)18 (15%)1.612 (0.744-3.492)11 (10%)15 (14%)1.763 (0.754-4.126)
Any adverse event55 (45%)55 (45%)0.985 (0.596-1.630)39 (37%)36 (35%)0.869 (0.509-1.577)