Table 2.

Results of multivariate Cox regression analysis^a

Follow-up Year of Transplantation	SPK versus DDK				SPK versus LDK
	n	HR	95% CI	P	n	HR	95% CI	P
Death-censored graft survival
years 2 to 5
1984 to 1990	2783	1.09	0.87 to 1.37	0.450	1435	2.36	1.70 to 3.27	<0.001
1991 to 2000	4245	0.96	0.79 to 1.17	0.711	3038	1.32	1.00 to 1.74	0.052
years 6 to 10
1984 to 1990	1671	1.13	0.86 to 1.48	0.391	930	1.41	0.99 to 2.00	0.059
1991 to 2000	2395	1.00	0.79 to 1.26	0.991	1662	1.31	0.94 to 1.83	0.111
years 11 to 18
1984 to 1990	741	0.64	0.44 to 0.93	0.020	449	0.73	0.46 to 1.16	0.188
Patient survival
years 2 to 5
1984 to 1990	2783	0.70	0.54 to 0.91	0.008	1435	1.34	0.93 to 1.94	0.120
1991 to 2000	4245	0.82	0.66 to 1.01	0.064	3038	1.31	0.96 to 1.79	0.085
years 6 to 10
1984 to 1990	1671	0.56	0.42 to 0.75	<0.001	930	0.91	0.63 to 1.32	0.620
1991 to 2000	2395	0.64	0.51 to 0.82	<0.001	1662	0.89	0.63 to 1.27	0.533
years 11 to 18
1984 to 1990	741	0.52	0.37 to 0.73	<0.001	449	0.55	0.36 to 0.83	0.005

^an = number of patients at beginning of follow up period.