Table 2.

Genotypes frequency of -589G/C GADD45a gene in RA and SLE patients.

GADD45a Genotype	-589 G/C (rs581000)	RA (n = 230)	Control (n = 191)	OR
		n(%)	n (%)	95% CI
	GG	79 (34.35%)	70 (36.65%)	1
	CG	119 (51.74%)	89 (46.60%)	1.18 (0.78~1.81)
	CC	32 (13.91%)	32 (16.75%)	0.89 (0.49~1.59)
	-589 G/C (rs581000)	SLE (n = 140)	Control (n = 191)	OR
		n (%)	n (%)	95% CI
	GG	65 (46.43%)	70 (36.65%)	1
	CG	56 (40.00%)	89 (46.60%)	0.68 (0.42~1.09)
	CC	19 (13.57%)	32 (16.75%)	0.64 (0.33~1.24)

OR: odds ratio. CI: confidence interval.