The Role of Interleukin-1 Genotype in the Association between Coronary Heart Disease and Periodontitis in a Syrian Population

Table 3

Genotype frequency of polymorphisms in the IL-1 gene cluster by CHD and Non-CHD.

Genotype frequency	CHD		Non-CHD		P value
	𝑛	%	𝑛	%
IL-1α +4845
1.1	64	64%	37	37%	<0.001
Combination 1.2 + 2.2	36	36%	63	63%
IL-1𝛽 +3954
1.1	55	55%	52	52%	0.671
Combination 1.2 + 2.2	45	45%	48	48%
IL-1𝛽  −511
1.1	43	43%	40	40%	0.667
Combination 1.2 + 2.2	57	57%	60	60%
IL-1 RA VNTR
1.1	46	46%	57	57%	0.120
Combination 1.2 + 2.2	54	54%	43	43%