Table 1. Patient characteristics (n=534).
| Value | |
|---|---|
| Age at surgery (mean±s.d), years | 64.9±6.7 |
| Preoperative PSA (mean±s.d.), ng ml−1 | 11.9±12.2 |
| Prostate specimen weight (mean±s.d.), g | 40.7±14.2 |
| Pathological Gleason score (n, %) | |
| ≤6 | 136 (25.5) |
| 7 | 339 (63.5) |
| ≥8 | 59 (11.0) |
| Extraprostatic tumour extension (n, %) | |
| Absent | 366 (68.5) |
| Present | 168 (31.5) |
| Seminal vesicle invasion (n, %) | |
| Absent | 488 (91.4) |
| Present | 46 (8.6) |
| Surgical margin (n, %) | |
| Negative | 334 (62.5) |
| Positive | 200 (37.5) |
| Biochemical recurrence (n, %) | |
| No | 429 (80.3) |
| Yes | 105 (19.7) |
| Percent of tumour involvement (n, %) | |
| <5 | 173 (32.4) |
| 5–10 | 105 (19.7) |
| 11–15 | 68 (12.7) |
| 16–20 | 38 (7.1) |
| >20 | 150 (28.1) |
Abbreviation: PSA, prostate-specific antigen.