ARHGEF12 and hepatocellular carcinoma: The IVW results showed that PD [odds ratio (OR) 1.006, 95% confidence interval (CI) 1.000–1.011, P = 0.033] and LARG (OR 0.994, 95% CI 0.988–1.000, P = 0.035) were causally associated with the incidence of HCC.