Table 2. Frequencies of HLA-A alleles among cases and controls.

HLA-A	Cases		Controls		P valuea
	(n = 119)	(% cases)	(n = 119)	(% controls)
A*0101	2	1.7	4	3.4	0.408
A*0201b	24	20.2	25	21.0	0.873
A*0206c	15	12.6	32	26.9	0.006
A*0207	11	9.2	8	6.7	0.473
A*0218	0	0	1	0.8	0.316
A*0301	1	0.8	0	0	0.316
A*1101d	21	17.6	16	13.4	0.371
A*1102	1	0.8	0	0	0.316
A*2402e	77	64.7	65	54.6	0.113
A*2407	1	0.8	0	0	0.316
A*2420	2	1.7	3	2.5	0.651
A*2601	12	10.1	15	12.6	0.540
A*2602	4	3.4	8	6.7	0.236
A*2603	3	2.5	4	3.4	0.701
A*2606	0	0	1	0.8	0.316
A*3101f	26	21.8	18	15.1	0.182
A*3303g	17	14.3	23	19.3	0.298
A*7401	1	0.8	0	0	0.316

^achi-square test.

^b1 homozygote in cases and 1 homozygote in controls.

^c1 homozygote in controls.

^d1 homozygote in cases and 1 homozygote in controls.

^e15 homozygotes in cases and 12 homozygotes in controls.

^f2 homozygotes in cases.

^g1 homozygote in cases.