Table 3. Cox Proportional Hazard Analysis.

Variables	Un-adjusted analysis				Adjusted analysisa
	P value	HR	95.0% CI for HR		P value	HR	95.0% CI for HR
			Lower	Upper			Lower	Upper
Dialysis at transplantation: yes	0.001	1.401	1.321	1.485	0.001	1.204	1.119	1.297
Recipient race: non-White	0.061	1.051	0.998	1.106	0.001	1.137	1.066	1.213
Donor race: non-White	0.027	1.058	1.006	1.112	0.016	1.064	1.012	1.119
Ethnicity: non-Hispanic	0.037	0.927	0.864	0.995	0.001	0.811	0.743	0.885
Recipient gender: male	0.164	1.036	0.986	1.088
Donor gender: male	0.124	0.963	0.918	1.01
Recipient age > 65	0	1.332	1.227	1.445	0.001	1.287	1.185	1.397
Donor age > 55	0	1.335	1.266	1.409	0.001	1.372	1.3	1.449
BMI < 20	0.431
BMI 21 - 25	0.31	0.945	0.846	1.056
BMI 26 - 30	0.242	0.937	0.84	1.045
BMI 31 - 35	0.072	0.898	0.799	1.01
BMI 36 - 40	0.521	0.956	0.834	1.096
BMI > 40	0.881	1.013	0.859	1.193
Child-Pugh Class A	0.001
Child-Pugh Class B	0.269	0.901	0.748	1.084
Child-Pugh Class C	0.811	1.022	0.852	1.226
Creatinine > 1.5 mg/dL	0.001	1.417	1.352	1.485
Creatinine ≤ 1.5 mg/dL	0.001
Creatinine > 1.5 mg/dL LTA	0.001	1.531	1.457	1.608	0.001	1.401	1.32	1.486
Creatinine > 1.5 mg/dL SLKT	0.001	1.338	1.232	1.454	0.004	1.158	1.049	1.277
MELD 16 - 20	0.001
MELD 20 - 25	0.001	1.162	1.083	1.246	0.013	1.095	1.02	1.175
MELD 26 - 30	0.001	1.294	1.202	1.394	0.001	1.164	1.077	1.258
MELD 31 - 35	0.001	1.342	1.239	1.453	0.018	1.11	1.018	1.21
MELD 36 - 40 and higher	0.001	1.514	1.41	1.626	0.005	1.131	1.038	1.233

HR: hazard ratio; CI: confidence interval; MELD: model for end-stage liver disease; BMI: body mass index; LTA: liver transplantation alone; SLKT: simultaneous liver and kidney transplantation. ^aAdjusted for patient’s ascites grade, albumin, bilirubin, Cr, INR, MELD, dialysis, gender, race and age, donor’s age and gender, and type of transplant.