Table 1. Demographic characteristics of the study population.
| Variables | Patients with surgically confirmed HCCs (n=217) |
| Age (mean±SD, years) | 58.4±9.7 (range 28–85) |
| Sex (M:F) | 171 (78%): 46 (22%) |
| Underlying cause of liver disease | |
| HBV infection | 178 (82%) |
| HCV infection | 11 (5%) |
| HBV and HCV coinfection | 1 (1%) |
| Alcoholism | 9 (4%) |
| Unknown | 17 (8%) |
| Normal | 1 (1%) |
| Child–Pugh score | |
| A | 137 (63%) |
| B | 75 (35%) |
| C | 5 (2%) |
| Type of pathological confirmation | |
| Liver resection | 204 (94%) |
| Transplantation | 13 (6%) |
| Cellular differentiation | |
| Well differentiated | 31 (13%) |
| Moderately differentiated | 147 (61%) |
| Poorly differentiated | 65 (27%) |
F, female; HBV, hepatitis B virus; HCC, hepatocellular carcinoma; HCV, hepatitis C virus; M, male.