| Positive Surgical Margins | |||
| Yes n (%) | No n (%) | Total n (%) | |
| Group 1 | |||
| GS ≤ 6 | 60 (19.4) | 249 (80.6) | 309 (100) |
| GS 7 | 9 (20.0) | 36 (80.0) | 45 (100) |
| GS ≥ 8 | 9 (47.3) | 10 (52.7) | 19 (100) |
| Total n (%) | 78 (20.9) | 295 (79.1) | 373 (100) |
| Group 2 | |||
| GS ≤ 6 | 84 (34.1) | 162 (65.9) | 246 (100) |
| GS 7 | 43 (41.0) | 62 (59.0) | 105 (100) |
| GS ≥ 8 | 13 (54.1) | 11 (45.8) | 24 (100) |
| Total n (%) | 141 (37.6) | 234 (62.4) | 375 (100) |