GNAO1 and hepatocellular carcinoma: Both univariate and multivariate Cox regression analysis indicated that GNAO1 expression was a negative factor significantly associated with HCC relapse (HR = 0.512, 95% CI = 0.297–0.882, p < 0.05; HR = 0.420, 95% CI = 0.237–0.744, p < 0.01, respectively; Table 2).