MUTYH Gene Polymorphisms as Risk Factors for Rheumatoid Arthritis

Table 5

Frequencies of MUTYH haplotype (Ht7) of RA patients with various clinical features.

Ht6 genotype	RF	Extra-articular	Erosion	Ht8 genotype	RF	Erosion
	(%)	(%)	(%)		(%)	(%)
Ht6/non-ht6 ()	10 (76.9)	7 (53.8)	9 (69.2)	Ht8/non-ht8 ()	6 (85.7)	3 (42.9)
Non-ht6/non-ht6 ()	130 (72.6)	84 (46.9)	88 (49.2)	Non-ht8/non-ht8 ()	134 (72.4)	94 (50.8)
P	0.736	0.630	0.162		0.438	0.679
OR	1.256	1.319	2.327	OR	2.284	0.726
95% CI	0.33–4.76	0.43–4.08	0.69–7.83	95% CI	0.27–19.44	0.16–3.33

95% CI: 95% confidence intervals. OR: odds ratio.
RF: rheumatoid factors.