FABP2 and hepatocellular carcinoma: Regarding HCC subgroup analysis, we found that the LBP level was increased in NBNB-HCC compared to HBV-HCC (p = 0.018) and HCV-HCC (p = 0.030) (Fig. 3e) while there was no significant difference in the I-FABP level among these subgroups (Fig. 3f).