Table 2. Tumour characteristics.
| Characteristic | AFP <20 ng/mL (n=466) | AFP 20–400 ng/mL (n=358) | AFP >400 ng/mL (n=358) | P value |
|---|---|---|---|---|
| Size of largest tumour (cm) | 4.65 (0.7–23) | 4.35 (0.7–28) | 7 (0.8–27) | <0.001 |
| UICC 7th edition | <0.001 | |||
| Stage I | 236 (50.6%) | 145 (40.5%) | 92 (25.7%) | |
| Stage II | 145 (31.1%) | 135 (37.7%) | 113 (31.6%) | |
| Stage III | 84 (18%) | 76 (21.2%) | 151 (42.2%) | |
| Stage IVA | 1 (0.2%) | 2 (0.6%) | 2 (0.6%) | |
| Microvascular invasion | 177 (38%) | 175 (48.9%) | 236 (65.9%) | <0.001 |
| Macrovascular invasion | 13 (2.8%) | 18 (5%) | 53 (14.8%) | <0.001 |
AFP, alpha-fetoprotein; UICC, Union for International Cancer Control.