. Author manuscript; available in PMC: 2019 May 13.

Published in final edited form as: Semin Perinatol. 2018 May 22;42(4):253–261. doi: 10.1053/j.semperi.2018.05.008

Table 2 -.

Complications of very low birthweight infants undergoing surgical ligations for a PDA compared to all other VLBWs, US 2012.

	VLBW infants not undergoing ligation N = 59,933		VLBW infants undergoing ligation N = 2817		p Value
	N	%	N	%	p Value
Vocal cord paralysis	94	0.2	109	3.9	<0.001
Death	8869	14.8	183	6.5	< 0.001
Surgical complication^*	417	0.7	144	5.1	< 0.001
Hemorrhage	69	0.1	26	0.9	< 0.001
Infection	130	0.2	74	2.6	< 0.001
Any complication	9310	15.5	416	14.8	0.421

Defined as post-operative shock, hemorrhage, accidental laceration, disruption of operative wound, foreign body, post-operative infection, or fistula.