Table 5.

Cox proportional hazard model to test the significance of clinical covariates and genotypes of MCP-1 polymorphism as predictors of graft failure with acute rejection episodes

Variable	ORa	95% C.I.b	P-value
Donor age (years)	1.02	1.000–1.045	0.056
Recipient age (years)	1.01	0.983–1.039	0.449
HLA-DR mismatch	2.46	1.165–5.206	0.019
Donor serum creatinine (mg dL−1)	2.25	1.022–4.493	0.045
GG genotype at MCP-1-2518	2.27	1.189–4.346	0.014

^aOR; odds ratio

^bC.I.; confidence interval.