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Table 5

Combined analysis of MMP1 promoter -1607 genotype and cigarette consumption for gastric cancer risk.

XPD codon 312 allele A carrier Cigarette consumption Controls/Cases Odds Ratio (95% CI)a P-valueb
(-) (-) 103/32 1.0 (reference)
(+) (-) 189/47 0.80 (0.48-1.33) 0.3911
(-) (+) 20/11 1.77 (0.77-4.08) 0.1770
(+) (+) 51/31 1.96 (1.08-3.55)* 0.0265*
a

CI, confidence interval;

b

P-value based on X2 test.