Table 2.

Frequencies of genotypes DQ2 and DQ8 in patients and control relatives.

HLA	Patients (%)		Controls (%)		χ2	p
	n (%)	CI	n (%)	CI
Absent	5 (6.8)	2.5 – 15.9	27 (21.4)	14.8 – 29.8	7.28	0.006*
DQ2	50 (68.5)	56.4 – 78.5	66 (52.4)	43.3 – 61.2	4.94	0.026*
DQ8	13 (17.8)	10.1 – 28.8	20 (15.9)	10.1 – 23.6	0.13	0.72
DQ2 + DQ8	5 (6.8)	2.5 – 15.9	13 (10.3)	5.8 – 17.3	0.68	0.41
Total	73 (100)	-	126 (100)	-	-	-

^*p < 0.05