Table 4.

Cox Proportional Hazards model of recipient survival

		95% Confidence Interval
Predictor	Hazard Ratio	Lower	Upper	p-value
Donor/graft characteristics
Age < 40 (per 5 years)	0.99	0.98	1.01	0.238
Age ≥ 40 (per 5 years)	1.06	1.04	1.08	< 0.001
Male gender (vs female)	0.96	0.91	1.02	0.211
Ethnicity
White	Ref	Ref	Ref	Ref
Black	1.19	1.12	1.27	< 0.001
Hispanic	1.09	1.01	1.18	0.019
Other	1.02	0.88	1.18	0.814
Ischemic time < 6 hours (per hour)	0.96	0.93	0.99	0.017
Ischemic time ≥ 6 hours (per hour)	1.06	1.02	1.11	0.004
Brain death time
24–60 hours	Ref	Ref	Ref	Ref
< 24 hours	1.01	0.94	1.09	0.745
> 60 hours	0.95	0.86	1.06	0.397
Recipient characteristics
Age < 45 (per 5 years)	0.88	0.86	0.91	< 0.001
Age ≥ 45 (per 5 years)	1.17	1.15	1.20	< 0.001
Male gender (vs female)	1.08	1.02	1.15	0.010
Ethnicity
White	Ref	Ref	Ref	Ref
Black	1.08	0.99	1.19	0.100
Hispanic	0.93	0.82	1.05	0.223
Other	0.86	0.71	1.04	0.128
BMI
20–25	Ref	Ref	Ref	Ref
<20	1.09	1.02	1.18	0.015
25–30	1.03	0.97	1.10	0.267
>30	1.14	1.05	1.23	0.001
Diabetes	1.06	1.00	1.13	0.040
IV antibiotics in two weeks before transplant	1.21	1.12	1.32	< 0.001
LAS diagnosis group
D	Ref	Ref	Ref	Ref
A	0.95	0.89	1.01	0.125
B	1.14	0.97	1.34	0.102
C	0.77	0.66	0.89	< 0.001

BMI, body mass index; LAS, lung allocation score