Frequency distribution of the SNP rs11453459->G and rs1255722G >A and their associations with lung cancer risk.

aThe observed genotype frequencies among the controls were all in agreement with the Hardy-Weinberg equilibrium in both sets (P>0.05 for all).bAdjusted in a logistic regression model that included age, sex, smoking status, drinking status, and family history of cancer.cThe merged set comprised the discovery set and the validate set.