Table II.

Distribution of HLA-DQB1 alleles among control, AMAN and AIDP cases, and C. jejuni seropositive and seronegative patients

Alleles	Control		AMAN				AIDP
Alleles	n (97)	%	n (46)	%	Sero +	Sero −	n (23)	%	Sero +	Sero −
DQB1*0201	6	6.3	6	13	5	1	2	8.6	1	1
DQB1*0202	24	25.2	8	17.3	4	3^a	2	8.6	0	1^a
DQB1*0301	41	43.1	16	34.7	8	7^a	9	39.1	2	7
DQB1*0302	9	9.4	2	4.3	2	0	4	17.3	1	3
DQB1*0303	28	29.4	10	21.7	5	4^a	7	30.4	1	3^a
DQB1*0304	1	1	0	0.0	0	0	0	0.0	0	0
DQB1*0401	6	6.3	6	13	1	4^a	5	21.7	2	3
DQB1*0402	2	2.1	2	4.3	0	2	2	8.6	0	1^a
DQB1*0501	11	11.5	2	4.3	1	1	3	13	0	3
DQB1*0502	9	9.4	6	13	3	3	3	13	0	2^a
DQB1*0503	7	7.3	4	8.6	1	1^a	1	4.3	0	1
DQB1*0601	14	14.7	9	19.5	5	4	2	8.6	0	2
DQB1*0602	19	20	9	19.5	6	2^a	1	4.3	0	1
DQB1*0603	2	2.1	2	4.3	1	1	0	0.0	0	0
DQB1*0604	1	1	1	2.1	1	0	0	0.0	0	0
DQB1*0605	0	0.0	1	2.1	0	0	0	0.0	0	0
DQB1*0609	0	0.0	1	2.1	0	0	0	0.0	0	0

a The number of individuals characterized for seroreactivity to C. jejuni may not necessarily add to the number of individuals with the particular allele due to the fact that not all HLA-typed cases were characterized for seroreactivity against C. jejuni.