Table 3. Regression analysis of C4 genetic polymorphisms adjusted for age, sex and immunosuppressive protocols in ABMR and stable group.

Position	Model	OR	95% CIs	P value
chr6:31963786
	Additive	0.73	0.24, 2.27	0.59
	Dominant	0.77	0.23, 2.56	0.67
chr6:31964228
	Additive	1.01	0.44, 2.36	0.97
	Dominant	1.17	0.46, 2.97	0.75
chr6:31964391
	Additive	2.08	0.12, 36.64	0.62
	Dominant	2.08	0.12, 36.64	0.62
chr6:31964584
	Additive	1.49	0.62, 3.59	0.38
	Dominant	1.49	0.62, 3.59	0.38
chr6:31994974
	Additive	1.7	0.67, 4.31	0.26
	Dominant	1.7	0.67, 4.31	0.26
chr6:31996524
	Additive	1.03	0.57, 1.86	0.94
	Dominant	1.30	0.65, 2.59	0.46
chr6:31996966
	Additive	1.07	0.58, 1.99	0.83
	Dominant	1.03	0.51, 2.09	0.93
	Recessive	1.59	0.21, 12.02	0.65
	HOM	1.59	0.21, 12.15	0.65
	HET	1.00	0.48, 2.05	0.99
chr6:31997321
	Additive	0.78	0.14, 4.29	0.78
	Dominant	0.78	0.14, 4.29	0.78
chr6:31997401
	Additive	0.98	0.52, 1.82	0.94
	Dominant	1.01	0.53, 1.90	0.99

ABMR, antibody-mediated rejection; OR, odds ratio; CIs: confidential intervals.