Fig. 3

Log values of serum levels of AFP (a and c) and PIVKA-II (b and d) were used to compare difference between their serum levels and tumor differentiation and size (measured by diameter) of HBV-related HCC. Among them, grade I and grade II were considered as well and moderate differentiation respectively while grade III or IV were regarded as poor differentiation. Based on the HBV-related HCC diameter, the experimental group were divided into the ≤5 cm, > 5 but ≤10 cm and > 10 cm group. AFP: alpha fetoprotein, PIVKA-II: protein induced by vitamin K absence-II. *P < 0.05 but #P > 0.05