Table 3.

Allelic and genotypic frequencies observed in case and control subjects regarding the IL6 c.-174 G>C gene polymorphism.

Genotypes	Periodontitis case		Periodontitis control		P value*
	N = 134		N = 196
	n (%)		n (%)
GG	102 (76.1%)		136 (69.4%)		0.038
GC	23 (17.2%)		54 (27.6%)
CC	9 (6.7%)		6 (3.1%)
	G	C	G	C
Allele	0.85	0.15	0.83	0.17	0.598

^*Chi-square (χ ²) and Fisher's exact tests.