Table 1.

Frequencies of DRB1* alleles in RF patients and healthy controls

DRB1* allele	RF (n = 140)	%	Controls (n = 200)	%	Odds ratio	P
*01	24	17	26	13	0.17	<0.643
*15	27	19	44	22	0.88	<0.3603
*03(*17;*18)	18	13	22	11	1.17	<0.184
*04	18	13	24	12	0.017	<0.305
*05(*11;*12)	30	21	33	16.5	1.3	<0.1288
*06(*13;*14)	4	3	28	14	0.18	<0.0023
*07	11	8	4	2	4.18	<0.01
*08	3	2	12	6	0.6**	<0.403
*09	4	3	2	1	1.81**	<0.495
*10	1	0.7	5	2.5	0.28**	<0.252

**Confield not accurate. Extract limits preferred. RF, rheumatic fever.