Table 2.

Cox multivariate analysis: 3-yr relative risk for allograft failure

	1990–1995			1996–2000
	RR	95% CI	P value	RR	95% CI	P value
Donor age (yr)	1.008	1.006–1.009	<0.001	1.002	1.000–1.004	0.029
Recipient age (yr)	1.004	1.002–1.005	<0.001	1.011	1.010–1.013	<0.001
Recipient ethnicity (black vs. others)	1.451	1.399–1.504	<0.001	1.480	1.403–1.562	<0.001
Diabetes status (yes vs. no)	1.308	1.258–1.360	<0.001	1.328	1.252–1.408	<0.001
Previous transplantation (yes vs. no)	1.244	1.184–1.306	<0.001	1.188	1.097–1.286	<0.001
HLA mismatch	1.035	1.024–1.047	<0.001	1.039	1.024–1.054	<0.001
Peak PRA >30%	1.083	1.035–1.133	<0.001	1.152	1.076–1.234	<0.001
First 6-months’ rejection	1.335	1.291–1.380	<0.001	1.514	1.437–1.594	<0.001
Donor death (other causes vs. head trauma)	1.044	1.002–1.087	0.039	1.085	1.022–1.151	0.007
CIT
CIT 10 hr (reference)	1	-	-	1	-	-
10–20 hr	1.006	0.944–1.072	0.847	1.056	0.966–1.156	0.230
20–30 hr	1.029	0.965–1.096	0.388	1.138	1.038–1.247	0.006
>30 hr	1.076	1.004–1.147	0.038	1.149	1.031–1.281	0.012

RR: Relative risk, CI: Confidence interval