The TNFA -857C/T Polymorphism: Association with Rheumatoid Arthritis and Anti-CCP Levels in a Mexican Population

Table 3

Association of the TNFA -857C/T polymorphism in RA patients with anti-CCP-negative status to controls.

Genetic model	Genotype	Frequencies		OR	95% CI
		RA ()	Controls ()
Co	CC	37	166	1.0000	—	—
	CT	19	64	1.3319	0.7138-2.855	0.367
	TT	6	7	3.8456	1.3028-11.3512	0.014
Do	CC	37	166	1.5797	0.873-2.8126	0.120
	CT + TT	25	71
Re	CC + CT	56	230	3.5204	1.2087-10.2535	0.0121
	TT	6	7
Additive	C	93	396	1.6923	1.0573-2.7086	0.020
	T	31	78

RA: rheumatoid arthritis; CI: confidence interval; OR: odds ratio; Co: codominant; Do: dominant; Re: recessive.