Table 3:

Cox regression analysis of risk factors for follow-up mortality or transplant

Variable	Hazard ratio	95% CI	P-value
Aortic atresia	4.26	1.45–12.56	0.01
Birthweight	1.00	0.999–1.001	0.96
Small for gestational age	11.60	0.80–167.6	0.07