Table 3

Class II DNA/HLA DQ β1 typing of trachoma patients and controls

HLA antigen		Trachoma patients (n=46)			Controls (n=100)		RR		χ₂	p Value	p_c
HLA antigen		pos	neg		pos	neg	RR		χ₂	p Value	p_c
DQB0501	5	41		13	87	0.86	0.132	0.716	10.020
DQB0502	38	8		63	37	2.67	5.682	0.018	0.252
DQB0503	2	44		1	99	3.72		0.234	3.276
DQB0601	2	44		8	92	0.61		0.506	7.084
DQB0602	4	42		8	92	1.15		0.558	7.812
DQB0603/0607	3	43		5	95	1.40		0.488	6.832
DQB0604/0609	1	45		2	98	1.30		0.682	9.548
DQB0201/0202	14	32		27	73	1.19	0.184	0.668	9.352
DQB0301	2	44		11	89	0.44		0.159	2.226
DQB0302	0	46		8	92	0.12		0.044	0.616
DQB0303	1	45		1	99	2.20		0.532	7.448
DQB0304	1	45		0	100	6.62		0.315	4.410
DQB0401	0	46		0	100	2.16	—	—	—
DQB0402	1	45		3	97	0.92		0.625	8.750