Table 1. Baseline characterisitics according to biochemical recurrence after radial prostatectomy.
| Variables (Mean ± SD) | Total (912) | BCR | p-value | |
|---|---|---|---|---|
| No BCR (700) | BCR (212) | |||
| Mean Age | 66.24 ± 6.63 | 66.33 ± 6.72 | 65.99 ± 6.37 | 0.505 |
| Median PSA (ng/ml) | 8.30 ± 18.92 | 7.40 ± 11.32 | 15.43 ± 31.27 | < 0.001 |
| Mean prostate volume (ml) | 36.91 ± 16.04 | 36.44 ± 16.14 | 38.46 ± 20.45 | 0.185 |
| Extracapsular extension (%) | 303 (33.2) | 151 (21.6) | 152 (71.7) | < 0.001 |
| Seminal vesicle invasion (%) | 94 (10.3) | 25 (3.6) | 69 (32.5) | < 0.001 |
| Bladder neck invasion (%) | 40 (4.4) | 11 (1.6) | 29 (13.7) | < 0.001 |
| Positive surgical margin (%) | 280 (30.7) | 151 (21.6) | 129 (60.8) | < 0.001 |
| Pathologic stage (%) | < 0.001 | |||
| pT2 | 598 (65.6) | 542 (77.4) | 56 (26.4) | |
| pT3 | 301 (33.0) | 154 (22.0) | 147 (69.3) | |
| pT4 | 13 (1.4) | 4 (0.6) | 9 (4.3) | |
| Pathology Gleason score (%) | < 0.001 | |||
| 6 | 62 (6.8) | 60 (8.6) | 2 (0.9) | |
| 7 | 712 (78.1) | 586 (83.7) | 126 (59.4) | |
| 8 | 42 (4.6) | 23 (3.3) | 19 (9.0) | |
| 9 | 96 (10.5) | 31 (4.4) | 65 (30.7) | |
| 10 | 0 | 0 | 0 | |
Abbreviations: BCR: biochemical recurrence; SD: standard deviation.