Table 2:

Multivariable model of propensity to pursue TC-PDA vs. O-PDA

	Odds Ratio	95% Confidence Interval	p-value
Date of procedure (per year)	1.63	1.52, 1.76	<0.001
Age at PDA closure (by week)	1.26	1.22, 1.30	<0.001
Gestational age
≥37 weeks	1 (ref.)	-	-
34–36 weeks	0.68	0.22, 2.06	0.49
28–33 weeks	0.22	0.10, 0.48	0.001
25–27 weeks	0.07	0.03, 0.15	<0.001
23–24 weeks	0.05	0.02, 0.10	0.001
Missing	0.11	0.05, 0.25	0.001
Female sex	0.97	0.71, 1.34	0.87
Race
White	1 (ref.)	-	-
Black	1.10	0.73, 1.67	0.64
Other or mixed race	0.81	0.35, 1.86	0.62
Missing	0.77	0.48, 1.22	0.26
Payer
Private insurance	1 (ref.)	-	-
Public insurance	0.71	0.50, 1.02	0.06
Other government	0.46	0.16, 1.34	0.16
Other	0.60	0.20, 1.80	0.36
Genetic syndrome	0.87	0.36, 2.11	0.75
Gastrointestinal condition	1.13	0.78, 1.65	0.52
Hematologic condition	1.16	0.46, 2.93	0.76
Neurologic condition	0.89	0.56, 1.40	0.61
Respiratory condition	1.14	0.76, 1.73	0.53