| <5 | 46 |
| ≥5 | 14 |
| Tumor number | |
| Single | 61 |
| Multiple | 1 |
| Hepatectomy type | |
| ≤Lobectomy | 69 |
| >Lobectomy | 6 |
| Microvascular invasion | |
| Positive | 21 |
| Negative | 41 |
| Degree of differentiation | |
| Well or moderate | 43 |
| Poorly | 15 |
| AFP level (ng/mL) | |
| <100 | 53 |
| ≥100 | 15 |
| PIVKA-2 level (ng/mL) | |
| <100 | 22 |
| ≥100 | 32 |
| Clinical characteristics before RFA | |
| Child-Pugh class | |
| A | 67 |
| B | 8 |
| Maximum tumor diameter (mm) | |
| <20 | 69 |
| ≥20 | 12 |
| AFP level (ng/ml) | |
| <100 | 60 |
| ≥100 | 13 |
| PIVKA-2 level (ng/mL) | |
| <100 | 55 |
| ≥100 | 18 |
| recurrence interval after hepatectomy (y) | |
| <1 | 20 |
| ≥1 | 55 |