XRCC7 rs#7003908 Polymorphism and Helicobacter pylori Infection-Related Gastric Antrum Adenocarcinoma

Table 4

Joint effects of cag A status and XRCC7 rs#7003908 polymorphism on GAA risk.

cag A	rs#7003908	Controls (𝑛=927)		Cases (𝑛=642)		OR (95% CI)^a	𝑃trend
		𝑛	%	𝑛	%
Negative	Genotype
	TT	408	44.0	78	12.1	Reference
	TG	226	24.4	87	13.6	2.10 (1.48–2.97)	3.21 × 10^−5
	GG	86	9.3	50	7.8	3.24 (2.11–4.98)	7.86 × 10^−8
	TG/GG	312	33.7	137	21.3	2.40 (1.75–3.30)	6.25 × 10^−8
Positive	TT	115	12.4	82	12.8	3.95 (2.71–5.96)	9.24 × 10^−13
	TG	71	7.7	200	31.2	15.74 (10.89–22.77)	1.50 × 10^−48
	GG	21	2.3	145	22.6	38.49 (22.82–64.93)	1.31 × 10^−42
	TG/GG	92	9.9	345	53.7	20.85 (14.84–29.30)	1.14 × 10^−68

aOR conditional on matched set.