Association between Polymorphisms in Interleukins 4 and 13 Genes and Chronic Periodontitis in a Han Chinese Population

Table 3

The observed and expected frequencies for genotypes of rs2070874, rs2243248, and rs1800925 testing for the goodness of fit to Hardy-Weinberg equilibrium.

SNPs	Genotype	Observed genotype	Expected genotype	Chi-square	values
rs2070874	Genotype ()
	T/T	210 (%)	205.4 (%)	2.434	0.119
	C/T	96 (%)	105.2 (%)
	C/C	18 (%)	13.4 (%)
rs2243248	Genotype ()
	T/T	261 (%)	258.7 (%)	1.845	0.174
	G/T	57 (%)	61.6 (%)
	G/G	6 (%)	3.7 (%)
rs1800925	Genotype ()
	C/C	227 (%)	230.9 (%)	2.672	0.102
	C/T	93 (%)	85.3 (%)
	T/T	4 (%)	7.9 (%)

Significant difference was accepted at .