IFNL4 and steatosis: Factors which were found to be associated to SVR in univariate analysis included low baseline serum vitamin B12 levels (p < 0.001), low stage of fibrosis (p = 0.01) and low degree of steatosis (p = 0.02), low baseline HCV-RNA levels (p < 0.001), RVR (p < 0.001) and IFNL3/IFNL4 rs12979860 CC genotype (p = 0.0001) (Table 3).