. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Am J Perinatol. 2014 Dec 8;32(7):633–638. doi: 10.1055/s-0034-1390349

Table 3.

Risk of necrotizing enterocolitis while on prostaglandin infusion, odds ratio (95% confidence interval)

	Unadjusted	Adjusted^a
Enteral feeding	2.86 (0.57, 14.3)	2.08 (0.38, 11.7)
Inotropic support	1.79 (0.72, 4.46)	1.88 (0.75, 4.73)
Antacid medication	3.76 (1.15, 12.30)	2.65 (0.71, 9.81)
Mechanical ventilation	1.87 (0.82, 4.28)	1.61 (0.69, 3.78)
FiO₂
21%	Reference	Reference
22–50%	1.64 (0.63, 4.25)	1.34 (0.49, 3.66)
>50%	1.61 (0.51, 5.04)	1.77 (0.55, 5.64)
Single-ventricle heart defect	2.40 (1.07, 5.38)	2.82 (1.23, 6.49)
Hypoplastic left heart syndrome	2.20 (0.86, 5.63)	3.12 (1.16, 8.43)

Adjusted models control for gestational age.

Abbreviation: FiO₂, fraction of supplemental oxygen.