Table 2.
Baseline characteristics of patients with advanced hepatocellular carcinoma enrolled in this study
| Characteristics | Level 1 | Level 2 | Level 3 | Total | |
|---|---|---|---|---|---|
| No. of patients | 7 | 3 | 10 | 20 | |
| Age, years | 30–39 | 0 | 0 | 1 | 1 |
| 40–49 | 0 | 0 | 1 | 1 | |
| 50–59 | 1 | 2 | 1 | 4 | |
| 60–69 | 3 | 0 | 2 | 6 | |
| 70–79 | 3 | 1 | 4 | 8 | |
| PS | 0 | 7 | 3 | 8 | 19 |
| 1 | 0 | 0 | 1 | 1 | |
| Viral marker | HBs Ag (+) | 0 | 1 | 3 | 5 |
| HCV Ab (+) | 3 | 1 | 3 | 7 | |
| Child–Pugh score | 5 | 4 | 2 | 4 | 11 |
| 6 | 1 | 1 | 3 | 5 | |
| 7 | 2 | 0 | 2 | 4 | |
| Portal vein invasion | Vp 3 | 1 | 0 | 3 | 4 |
| Vp 4 | 3 | 0 | 2 | 5 | |
| Distant metastases | Absent | 4 | 2 | 6 | 13 |
| Present | 3 | 1 | 3 | 7 | |
| Stage (UICC v.6) | II | 0 | 1 | 0 | 1 |
| III | 4 | 1 | 6 | 12 | |
| IV | 3 | 1 | 3 | 7 |
HBs Ag, hepatitis B surface antigen; HCV Ab, hepatitis C antibody; PS, performance status; UICC, Union for International Cancer Control; Vp 3, hepatocellular carcinoma invasion of the first-order branch of the portal vein; Vp 4, hepatocellular carcinoma invasion of the main trunk of the portal vein.