. Author manuscript; available in PMC: 2018 Mar 13.

Published in final edited form as: J Heart Lung Transplant. 2012 Jul 11;31(9):987–995. doi: 10.1016/j.healun.2012.05.013

Table 4.

Cox Proportional Hazard Modeling of Risk Factors for Graft Loss

Variable	N (Events)	HR	95% Confidence Interval	P Value
Overall Survival	178 (75)
• Age <1 yr Group A	103
• Age <1 yr Group B	32	1.75	0.99–3.10	0.053
• Age ≥1 yr Group B	43	2.06	1.20–3.56	0.009
5 Year Contingent Graft Survival	103 (28)
• Age <1 yr Group A	65
• Age <1 yr Group B	16	1.90	0.70–5.15	0.21
• Age ≥1 yr Group B	22	6.48	2.63–15.92	<0.001