GPC3 and hepatocellular carcinoma: Kaplan–Meier survival analysis revealed no significant difference in HCC incidence between patients with GPC-3 levels ≤ 55 pg/mL (39 incident cases [12.2%] among 320 patients) and those with levels > 55 pg/mL (24 incident cases [10.4%] among 231 patients) (log-rank test: p = 0.837; Fig. 3).