Table 4.

Complications of LISA group compared to control group

	LISA (n = 169)	Control (n = 155)	p-value
Supplementary oxygen at day 28 in survivors	79 (49.7%)	63 (45.3%)	0.452
Surgical ligation of PDA	9 (5.3%)	15 (9.7%)	0.135
Abdominal surgery	9 (5.3%)	7 (4.5%)	0.737
IVH grade 3–4	11 (6.5%)	13 (8.4%)	0.519
ROP laser surgery	6 (3.6%)	4 (2.6%)	0.614
Pneumothorax	3 (1.8%)	6 (3.9%)	0.320
Mortality during NICU admission	14 (8.3%)	16 (10.3%)	0.527

*shows significance (p < 0.05)

PDA Patent ductus arteriosus, IVH Intraventricular hemorrhage, ROP Retinopathy of prematurity