Table 2

Genotype frequencies for CD cases and healthy controls for the two TNFα (-308 and -857) and two IL10 (-592 and -1082) SNPs

Genotype frequencies	CD	Controls	OR	95% CI	χ²	p value
*Fisher’s exact test. †Genotype–phenotype analysis was only performed for SNPs where p<0.2 in case–control analysis.
IL10-592	n = 236	n = 231
CC	0.60	0.67	Ref		2.52	0.28
CA	0.36	0.30	1.33	0.90 to 1.97
AA	0.04	0.03	1.56	0.56 to 4.31
IL10-1082	n = 234	n = 188
GG	0.27	0.27	Ref		6.91	0.03†
GA	0.51	0.40	1.25	0.78 to 1.99
AA	0.22	0.33	0.67	0.42 to 1.07
TNFα-308	n = 304	n = 217
GG	0.65	0.69	Ref		0.67	0.72
GA	0.30	0.28	1.14	0.82 to 1.58
AA	0.05	0.03	1.85	0.80 to 4.26
TNFα-857	n = 275	n = 217
CC	0.84	0.86	Ref		3.99	0.14*†
CT	0.14	0.14	0.98	0.59 to 1.56
TT	0.02	0.00	–	–