Table 2. Variables significantly associated with probability of graft rejection.

Variable	OR	95% CI		P
HLA-B+DR match	0.46	0.30	0.70	0.0003
KIR2DS4fl	2.02	1.05	3.90	0.03
KIR2DS4del	2.61	1.19	5.75	0.02
HLA-B+DR match×GN	2.01	1.46	2.76	0.0000

Abbreviations: CI, confidence interval; GN, glomerulonephritis; HLA, human leukocyte antigen; KIR, killer immunoglobulin-like receptor; KIR2DS4fl, KIR2DS4 full length gene; KIR2DS4del, KIR2DS4 22-base pair deletion variant of the KIR2DS4 gene; OR, odds ratio.