Table 2.

Genotype distributions and allele frequencies of the studied polymorphisms in patients and controls, and their risk prediction for Crohn's disease under three genetic models of inheritance

Polymorphism		Patients (n = 312)	Controls (n = 479)	P (χ2)	Genetic models	OR; 95%CI
rs1800624	TT	248	343		Additive	0.64; 0.47-0.88
	AT	62	123	0.012	Dominant	0.65; 0.46-0.91
	AA	2	13		Recessive	0.23; 0.05-1.03
	A	10.6%	15.6%	0.005
rs1800625	TT	228	353		Additive	0.98; 0.73-1.33
	CT	82	118	0.460	Dominant	1.03; 0.75-1.42
	CC	2	8		Recessive	0.38; 0.08-1.80
	C	13.8%	14.0%	0.940
rs2070600	GG	174	303		Additive	1.29; 1.03-1.62
	AG	112	148	0.086	Dominant	1.37; 1.02-1.83
	AA	26	28		Recessive	1.46; 0.84-2.55
	A	26.3%	21.3%	0.022

OR: Odds ratio.