Table 3.

Genotype and allele distributions according to presence of at least one site exhibiting CAL ≥ 7 mm

Gene (SNP ID)	Genotypes and alleles	CAL < 7 mm N = 115 N (%)	CAL ≥ 7 mm N = 125 N (%)	χ2 p value	OR (95% CI)	Fisher’s exact p value
NLRP3 (rs4612666)	CC CT TT	66 (57.39) 46 (40.00) 3 (2.61)	53 (42.40) 58 (46.40) 14 (11.20)	0.009 0.094 0.004 0.038	1.57 (0.93–2.67) 5.81 (1.59–21.29) 3.70 (1.00-13.66)	0.008 0.108 0.004 0.060
	C T	178 (77.39) 52 (22.61)	164 (65.60) 86 (34.40)	0.004	1.80 (1.20–2.69)	0.005
AIM2 (rs2793845)	TT GT GG	90 (78.26) 24 (20.87) 1 (0.87)	103 (82.40) 20 (16.00) 2 (1.60)	0.560 0.343 0.647 0.476	0.73 (0.38–1.41) 1.75 (0.16–19.60) 2.40 (0.20-28.45)	0.552 0.404 1.000 0.593
	T G	204 (88.70) 26 (11.30)	226 (90.40) 24 (9.60)	0.541	0.83 (0.46–1.50)	0.554
IFI16 (rs75985579)	GG AG AA	88 (76.52) 27 (23.48) 0	87 (69.60) 36 (28.80) 2 (1.60)	0.237 0.312 - -	1.35 (0.76–2.41) - -	0.279 0.378 - -
	G A	203 (88.26) 27 (11.74)	210 (84.00) 40 (16.00)	0.178	1.43 (0.85–2.42)	0.190

CAL Clinical attachment level, OR Odds ratio, CI Confidence interval

p < 0.05, Statistical differences are marked in bold