Table 4.
Comparison of local progression-free survival between the difficult and control groups
| Group | Number of patients |
Local progression-free survival (%)1 |
|||
| 1-yr | 3-yr | 5-yr | 7-yr | ||
| Control | 88 | 88.2 | 55.6 | 36.3 | 36.3 |
| Difficult | 382 | 77.9 | 49.0 | 38.0 | 29.1 |
| Near large vessels or bile ducts | 87 | 81.7 | 35.6 | 33.4 | 30.7 |
| Near peripheral structures | 232 | 77.3 | 48.7 | 38.6 | 27.2 |
| Under liver capsule | 63 | 80.5 | 53.1 | 37.8 | 28.1 |
| Total | 470 | 79.8 | 50.3 | 37.5 | 29.8 |
1
There was no significant difference in local progression-free survival between the difficult and control groups (P = 0.584).