Univariate and multivariate analyses of associations between ERCC1 genotype, ERCC2 genotypes, combined ERCC1 and ERCC2 variants and overall survival in gastric cancer patients.

*P values were calculated by Cox proportional hazards model using univariate analysis.**P values were adjusted for age, sex, race, smoking status, alcohol use, stage, histological grade, histological type and treatment in a Cox model.†The variant homozygous genotypes were ERCC1 rs3212986 TT, ERCC2 rs13181 GG and rs1799793 AA.(Numbers in bold represent statistically significant findings).