Table 4.

Frequencies of the alleles A1*0201, A1*05, B1*02 and B1*0302 in the patient and control relative groups.

Allele	Patients (n = 73)		Controls (n =  126)		Total (n = 199)		χ2	p
	+	%	+	%	+	%
A1*0201	10	13.7	15	11,9	25	12,5	0.14	0.33
A1*05	55	75,3	84	66,7	139	69,8	1,65	0.19
B1*02	68	93,2	111	88,1	179	89,9	1.31	0.25
B1*0302	18	24,7	33	26,2	51	25,6	0.06	0.81