Table 2. Statistical analysis of IL-1β −511 SNP.

Group	Reference group	OR	CI	x2	p-value
CT	CC	3.23	(1.2,8.7)	5.72	0.016
TT	CC	1.47	(0.5,4.1)	0.53	0.465
CT+TT	CC	2.32	(0.9,6.0)	3.15	0.075
CT	TT	2.19	(1.08,4.4)	4.86	0.027
CC	TT	0.68	(0.2,1.9)	0.53	0.465
CT+TT	TT	1.65	(0.8,3.2)	2.17	0.140