Table 4.

Model Performance Before and After Adjustment for Comorbid Conditions

	Deceased Donor Recipients			Living Donor Recipients
Time Period	c-statistic Before	c-statistic After	P*	c-statistic Before	c-statistic After	P*
1	0.670	0.680	0.19	0.750	0.750	0.9
2	0.679	0.690	0.16	0.763	0.760	0.71
3	0.688	0.700	0.13	0.748	0.750	0.56
4	0.691	0.700	0.07	0.761	0.770	0.64
5	0.685	0.690	0.07	0.729	0.740	0.27
6	0.680	0.690	0.02	0.676	0.710	0.02
7	0.685	0.690	0.05	0.678	0.700	0.04
8	0.686	0.700	0.02	0.676	0.700	0.06
9	0.688	0.700	0.03	0.692	0.720	0.05
10	0.698	0.710	< 0.01	0.749	0.750	0.74
11	0.704	0.720	< 0.01	0.733	0.750	0.33
12	0.698	0.710	0.03	0.719	0.740	0.13
13	0.702	0.710	0.03	0.747	0.750	0.94
14	0.695	0.710	< 0.01	0.715	0.730	0.38
15	0.684	0.700	< 0.01	0.650	0.680	0.04
16	0.683	0.700	< 0.01	0.605	0.640	0.02
17	0.671	0.690	< 0.01	0.579	0.620	< 0.01
18	0.654	0.670	< 0.01	0.580	0.640	< 0.01
19	0.646	0.660	< 0.01	0.586	0.640	< 0.01
20	0.641	0.660	< 0.01	0.602	0.660	< 0.01
21	0.640	0.660	< 0.01	0.617	0.670	< 0.01
22	0.641	0.660	< 0.01	0.627	0.670	< 0.01
23	0.637	0.650	< 0.01	0.616	0.650	< 0.01
24	0.633	0.650	< 0.01	0.607	0.660	< 0.01

^*Test of equal c-statistics before and after adjustment for recipient comorbidity.