Table 1.

Frequencies of HLA-A and B and HLA-DR and DQ antigens in patients with BD and RAU and in healthy controls

HLA antigens	Patients			p	Odds ratio (95% CI)
	with BD (n = 30)	with RAU (n = 30)	Healthy controls (n = 15)
A23	1 (3.3)	8 (26.7)		0.026*	0.095 (0.011–0.815)
A24		10 (33.3)	1 (6.7)	0.049*	7.000 (0.802–61.070)
A30	4 (13.3)		7 (46.7)	0.026*	0.176 (0.041–0.759)
A30		1 (3.3)	7 (46.7)	0.001**	0.039 (0.004–0.369)
B13	0 (0)	7 (23.3)		0.011*	2.304 (1.694–3.134)
DR10	10 (33.3)	1 (3.3)		0.006*	14.500 (1.718–122.395)
DR10		1 (3.3)	5 (33.3)	0.012*	0.069 (0.007–0.664)
DR17		1 (3.3)	5 (33.3)	0.012*	0.069 (0.007–0.664)

The values for patients and controls are given as number with the percentage in parentheses. Fisher's exact test.

^*p < 0.05

^*p < 0.01.