TABLE 1.

Frequency of HLA-DR and -DQ alleles in patient groups and controls

MHCa class II allele	% Healthy controls (n = 43)	% All HCV (n = 58)	% Chronic HCV (n = 49)	P
				All vs controls	Chronic vs controls
DRB1
DRB1*01	4.9	10.2	10.2	NS	NS
DRB1*15	20.9	6.9	8.2	0.05 (pc = NS)	NS
DRB1*16	9.3	8.2	8.2	NS	NS
DRB1*03	20.9	20.4	20.4	NS	NS
DRB1*04	23.4	34.7	34.7	NS	NS
DRB1*11	51.2	25.9	22.4	0.01 (pc = NS)	<0.008b
DRB1*12	0	0	0	NS	NS
DRB1*13	14.0	32.8	32.7	0.05 (pc = NS)	NS
DRB1*14	11.7	22.4	22.4	NS	NS
DRB1*07	21.0	22.4	22.4	NS	NS
DRB1*08	2.32	2.04	2.04	NS	NS
DRB1*10	0	2.04	2.04	NS	NS
DRB3*	79.1	74.0	74.0	NS	NS
DRB4*	39.5	53.1	53.1	NS	NS
DRB5*	32.6	14.3	14.3	NS	NS
DQB1
DQB1*02	37.2	36.7	36.7	NS	NS
DQB1*03	67.4	51.0	51.0	NS	NS
DQB1*04	2.3	2.0	2.0	NS	NS
DQB1*05	24.6	38.8	38.8	NS	NS
DQB1*06	23.5	36.7	36.7	NS	NS

^aMHC, major histocompatibility complex.

^bOR (95% confidence interval) = 0.276 (0.112-0.679).