AFP and neoplasm: According to univariate Cox regression analysis, we found that 8 variables including recipient BMI, Milan criteria, pre-transplant AFP greater than 400, poor tumour differentiation, microvascular invasion, pre-transplant HBV DNA, HBsAg-positive graft and HBV reactivation were significantly correlated with RFS (all P<0.05, Supplemental Table 2, Supplemental Digital Content 5, http://links.lww.com/JS9/B893).