| Extraprostatic Extension | |||
| Yes n (%) | No n (%) | Total n (%) | |
| Group 1 | |||
| GS ≤ 6 | 28 (9.1) | 281 (90.9) | 309 (100) |
| GS 7 | 4 (8.9) | 41 (91.1) | 45 (100) |
| GS ≥ 8 | 4 (21.1) | 15 (78.9) | 19 (100) |
| Total n (%) | 37 (9.9) | 336 (90.1) | 373 (100) |
| Group 2 | |||
| GS ≤ 6 | 44 (17.9) | 202 (82.1) | 246 (100) |
| GS 7 | 42 (40) | 63 (60) | 105 (100) |
| GS ≥ 8 | 12 (50) | 12 (50) | 24 (100) |
| Total n (%) | 98 (26.1) | 277 (73.9) | 375 (100) |