HLA Haplotypes and Genotypes Frequencies in Brazilian Chronic Periodontitis Patients

Table 5

HLA haplotype associations between nonsmokers, chronic periodontitis patients, and controls.

HLA haplotypes	Patients; (%)	Controls; (%)	P		OR (95% CI)
A02/B40	4 (4.3)	0 (0.0)	0.008	0.23	undf (1.58–undf)
A02/B35	0 (0.0)	11 (5.1)	0.038	1.00	0 (0–0.91)
A03/B51	3 (3.3)	0 (0.0)	0.026	0.75	undf (0.98–undf)
A26/B38	3 (3.3)	0 (0.0)	0.026	0.75	undf (0.98–undf)
B40/C03	7 (7.6)	4 (1.9)	0.019	0.51	4.34 (1.07–20.75)
B44/B07	4 (4.3)	1 (0.5)	0.029	0.78	9.69 (0.94–482.15)
B15/DRB111	0 (0.0)	11 (5.1)	0.038	1.00	0 (0–0.91)
B40/DRB107	4 (4.3)	1 (0.5)	0.029	0.81	9.69 (0.94–482.15)
B35/DRB111	4 (4.3)	1 (0.5)	0.029	0.81	9.69 (0.94–482.15)
B14/DRB101	4 (4.3)	0 (0.0)	0.008	0.22	undf (1.58–undf)

undf = undefined.