marginally significantp = 0.03
However, for those who were ever smokers, we identified a marginally significant association between genetically predicted T2DM risk and lung cancer risk (OR = 0.92; 95%CI = 0.85–0.99; p = 0.03) although no significant association was observed in never smokers ( OR = 1.00; 95%CI = 0.93–1.07; p = 0.96; P heterogeneity = 0.13).