Table 3. Pair-wise analysis of homozygous/heterozygous state in controls, total WNV cases and WNND/WNF^* subpopulations.

P values in bold indicate significance^.

Gene	Controls	Cases	Cases vs Controls	Cases		WNND vs Controls	WNND vs WNF
				WNND	WNF
DPA	n = 99	n = 102	p-value**	n = 68	n = 34	p-value**	p-value**
Homo	71 (71.7%)	73 (71.6%)	1.000	48 (70.6%)	25 (73.5%)	1.000	0.8193
Hetero	28 (28.3%)	29 (28.4%)		20 (29.4%)	9 (26.5%)
DQA	n = 81	n = 89		n = 58	n = 31
Homo	61 (75.3%)	80 (89.9%)	0.0142	51 (87.9%)	29 (93.5%)	0.0822	0.4869
Hetero	20 (24.7%)	9 (10.1%)		7 (12.1%)	2 (6.5%)
DRB	n = 84	n = 91		n = 59	n = 32
Homo	62	53 (58.2%)	0.0382	34 (57.6%)	19 (59.4%)	0.0484	1.000
	(73.8%)
Hetero	22	38 (41.8%)		25 (42.4%)	13 (41.6%)
	(26.2%)

*WNND (West Nile Neuroinvasive Disease), WNF (West Nile Fever).

**Fisher's exact test.