HLA Haplotypes and Genotypes Frequencies in Brazilian Chronic Periodontitis Patients

Table 4

HLA haplotype associations between chronic periodontitis patients and controls.

HLA haplotypes	Patients; (%)	Controls; (%)	P		OR (95% CI)
A 02/B 40	9 (4.2)	0 (0.0)	<0.001	0.03	undf (2.83–undf)
A03/B51	5 (2.5)	0 (0.0)	0.012	0.36	undf (1.29–undf)
A26/B38	5 (2.3)	0 (0.0)	0.012	0.36	undf (1.29–undf)
B40/C03	12 (5.6)	5 (1.7)	0.022	0.62	3.49 (1.12–12.83)
B18/C12	4 (1.9)	0 (0.0)	0.03	0.93	undf (0.93–undf)
B51/C01	4 (1.9)	0 (0.0)	0.30	0.93	undf (0.93–undf)
B 15/DRB1 11	0 (0.0)	13 (4.3)	0.001	0.04	undf (0–0.45)
B40/DRB107	6 (2.8)	0 (0.0)	0.005	0.19	undf (1.67–undf)
B50/DRB104	4 (1.9)	0 (0.0)	0.030	1.14	undf (0.93–undf)
DQA101:02/DQB106:09	5 (2.3)	0 (0.0)	0.012	0.23	undf (1.30–undf)
DRB113/DQA101:02/DQB106:09	5 (2.3)	0 (0.0)	0.012	0.25	undf (1.29–undf)

undf = undefined.
Total group (smokers, nonsmokers, and ex-smoking patients and controls).
Bold font: significant after Bonferroni correction.