Table 1. The seven most frequent alleles of HLA-A, -B and -DRB1 loci.

Allele	Patients (1,464)		Controls (10,000)		p-value	Pc
	n	Frequency (%)	n	Frequency (%)
A11	542	18.51	3294	16.47	0.006	0.145
A1	116	3.96	991	4.96	0.019	0.426
A24	480	16.39	3123	15.62	0.277	1.000
A3	138	4.71	1036	5.18	0.302	1.000
A30	235	8.03	1670	8.35	0.591	1.000
A2	881	30.09	5980	29.9	0.846	1.000
A33	196	6.69	1327	6.64	0.905	1.000
B62	150	5.12	1434	7.17	<0.001	0.001
B51	213	7.28	1590	7.95	0.211	1.000
B35	163	5.57	1232	6.16	0.230	1.000
B61	178	6.08	1334	6.67	0.248	1.000
B46	179	6.11	1289	6.45	0.518	1.000
B60	198	6.76	1294	6.47	0.547	1.000
B13	364	12.43	2482	12.41	0.976	1.000
DRB1*15	440	15.03	3846	19.23	<0.001	<0.001
DRB1*4	405	13.83	2167	10.84	<0.001	<0.001
DRB1*11	260	8.88	1291	6.46	<0.001	<0.001
DRB1*9	330	11.27	2571	12.86	0.016	0.270
DRB1*12	317	10.83	1992	9.96	0.148	1.000
DRB1*14	179	6.11	1132	5.66	0.327	1.000
DRB1*7	361	12.33	2481	12.41	0.928	1.000