Table 2. Distribution of CTLA-4 genotype among patients and controls included in the meta-analysis.

Studies		Asthma			Control		HWE
	11a	12b	22c	11	12	22	(P value)
+49 A/G
Nakao	27	52	41	32	107	61	0.189
Hizawa	40	178	121	40	140	125	0.935
Howard	76	82	19	39	72	23	0.297
Lee	15	24	49	8	29	49	0.238
Schubert	98	105	28	105	127	38	0.968
Jasek	66	101	52	33	48	21	0.645
Sohn	45	125	156	19	103	132	0.859
Chan	40	119	113	21	75	75	0.737
Daley	238	290	88	291	338	98	0.992
Oh	61	312	369	16	107	115	0.178
Undarmaa 1	49	153	123	43	155	138	0.959
Undarmaa 2	58	175	134	106	323	247	0.981
−318 C/T
Nakao	97	19	4	157	43	0	0.088
Hizawa	265	71	3	238	65	2	0.278
Howard	144	30	2	115	14	2	0.059
Lee	70	16	2	67	15	4	0.022
Jasek	172	44	3	79	22	1	0.694
Schubert	181	47	3	214	53	3	0.889
Qian	75	13	2	84	15	1	0.721
Sohn	247	77	2	199	54	1	0.182
Daley	537	100	5	616	128	7	0.902
Undarmaa 1	253	67	5	263	68	5	0.801
Undarmaa 2	284	78	5	512	153	11	0.911
DeWan	58	7	1	35	6	1	0.267
Anantharaman	350	128	12	343	134	13	0.799
−1147 C/T
Howard	108	46	2	97	18	2	0.295
Jasek	146	65	8	66	31	5	0.587
Chan	216	68	7	129	43	3	0.787
Daley	445	181	18	500	226	25	0.931
DeWan	52	13	1	29	12	1	0.853
Anantharaman	335	140	15	307	162	21	0.949
CT60 A/G
Chan	13	97	183	6	58	109	0.611
Berce	14	62	26	21	34	29	0.093
Daley	191	317	132	229	369	148	0.977
DeWan	8	31	27	4	19	19	0.810
Anantharaman	36	193	261	21	161	308	0.994
−1722 C/T
Daley	551	89	4	644	102	4	0.986
Sleiman	663	127	6	1666	308	14	0.954
Noguchi	340	463	135	862	1131	391	0.537
rs926169 A/C
Daley	236	307	100	282	356	111	0.937
Sleiman	284	382	127	743	945	300	0.987
Noguchi	135	455	342	336	1110	938	0.793

^aAA or CC;

^bAG, CT, or AC;

^cGG, TT or CC.

HWE, Hardy-Weinberg equilibrium.