| Frequency | Overall survival | P value | ||||
| No | Percent | Median | CI 95% | |||
| Tumor characteristics | Single ≤ 2 cm | 17 | 3.03% | 8 | 0.00 - 18.7 | |
| Single 2 - 5 cm | 114 | 20.32% | 15 | 13.2 - 16.7 | <0.001 | |
| 3 nodules ≤ 3 cm | 13 | 2.32% | ||||
| Single > 5 cm | 41 | 7.31% | 6 | 5.5 - 6.5 | ||
| Multinodular > 5 cm | 376 | 67.02% | ||||
| Tumor enhancement | Yes | 395 | 70.41% | 7 | 6.4 - 7.5 | 0.183 |
| No | 166 | 29.59% | 7 | 6.1 - 7.8 | ||
| PV thrombosis | Yes | 214 | 38.15% | 5 | 4.6 - 5.3 | <0.001 |
| No | 347 | 61.85% | 9 | 8.1 - 9.8 | ||
| Metastasis | Yes | 105 | 18.72% | 5 | 4.5 - 5.4 | <0.001 |
| No | 456 | 81.28% | 8 | 7.4 - 8.5 | ||