Table I.

Frequencies of HLA-DRB1 alleles in patients with leprosy and healthy controls.

HLA-DR alleles	Leprosy (N=52)		Controls (N=99)		pc	OR	95% CI
	n	gf	n	gf
01	24	0.230	10	0.050	<0.001	5.6	2.4–13.3
04	20	0.192	47	0.237	0.45	-	-
07	18	0.173	22	0.111	0.18	-	-
08	8	0.077	33	0.167	0.046a	2.4	1–5.8
13	8	0.077	10	0.050	0.50	-	-
14	6	0.057	21	0.106	0.23	-	-
15	6	0.057	13	0.065	0.98	-	-
03	6	0.057	11	0.055	0.93	-	-
11	4	0.040	20	0.101	0.092	-	-
10	2	0.019	1	0.005	0.273	-	-
09	1	0.009	3	0.015	1	-	-
12	0	0	2	0.010	0.546	-	-
16	1	0.009	5	0.025	0.668	-	-

N, number of individuals; gf, genetic frequencies; n, number of alleles; pc, Yates corrected P-values corrected taking into consideration the number of alleles observed; OR, odds ratio; 95% CI, 95% confidence interval.

^aInverted value of OR.