Table 1.

HLA-DRB1* and -DQB1* allele distribution

Allele/haplotype	Allele/haplotype frequency		Pa	Pcb
	Patients (n = 88)	Controls (n = 112)
DRB1*030101	0.3641	0.147	3.6 × 10−4	0.006
DRB1*040101	0.239	0.116	7.5 × 10−3	0.120
DRB1*070101	0.068	0.214	1.8 × 10−4	0.003
DRB1*090102	0.028	0.000	0.023	0.362
DRB1*100101	0.023	0.063	0.051	0.816
DRB1*110101	0.028	0.107	1.7 × 10−3	0.027
DQB1*0201	0.426	0.290	0.054	0.377
DQB1*030101	0.097	0.201	0.001	0.007
DQB1*0302	0.216	0.094	0.002	0.012
DQB1*060101	0.080	0.179	0.006	0.041
DRB1*030101-DQB1*0201	0.287	0.065	<0.001	<0.001
DRB1*040101-DQB1*0302	0.184	0.073	0.001	0.010
DRB1*070101-DQB1*0201	0.068	0.177	0.002	0.015
DRB1*110101-DQB1*030101	0.023	0.097	0.005	0.036

^aDetermined by Fisher's exact test; boldface indicates significant differences.

^bPc is the corrected P value for the number of alleles tested, calculated using the Bonferonni method.