Table 1
Information of eligible studies included in the meta-analysis

First author	Year	Ethnicity	Transplant organ	AR/non-AR	AR		Non-AR		AR		Non-AR
					G/G	A/A+A/G	G/G	A/A+A/G	G	A	G	A
					Kocierz et al	2011	Caucasian	Renal	143/56	41	102	2	54	135	151	53	69
Grinyo´ et al	2008	Caucasian	Renal	112/108	13	99	33	75	51	71	146	172
Dmitrienko et al	2005	Caucasian	Renal	50/50	14	36	19	31	48	52	58	42
Chen et al	2014	Caucasian	Renal	50/275	14	36	63	212	28	72	126	424
Plothow et al	2003	Caucasian	Renal	39/26	4	35	3	23	26	52	17	35
Hutchings et al	2002	Caucasian	Renal	24/26	2	22	4	22	19	29	21	31
Hahn et al	2000	Caucasian	Renal	32/81	6	26	24	57	26	38	86	86
Pelletier et al	2000	Caucasian	Renal	32/67	9	23	12	55	32	32	53	81
Bathgate et al	2000	Caucasian	Liver	68/76	22	46	16	60	44	92	32	120
Tambur et al	2001	Caucasian	Liver	33/30	4	29	7	23	8	58	14	46
Warle´ et al	2002	Caucasian	Liver	41/48	14	27	9	39	28	54	18	78
Fernandes et al	2002	Caucasian	Liver	13/40	2	11	5	35	4	22	10	70
Mas et al	2004	Caucasian	Liver	19/55	0	19	0	55	0	38	0	110
Karasu et al	2004	Caucasian	Liver	26/17	2	24	2	15	4	48	4	30

AR: acute rejection; non-AR: non acute rejection.