FEN1 and gallstones: These results was not affected by adjusting other factors (age, sex and gallstone) via regression analysis (ORadjust = 1.95, 95% CI = 1.09–2.94 for the FEN1-4150T GT genotype; ORadjust = 2.57, 95% CI = 1.39–5.42 for the FEN1-4150T GG genotype).