Table 1.
Characteristics of the Cohort Composed of 523 Prostate Cancer Patients Who Received Radical Prostatectomy as Primary Treatment
| Characteristic | No. (%) of patients |
|---|---|
| All patients | 523 (100) |
| BCR | |
| Yes | 109 (21) |
| No | 414 (79) |
| Clinical center | |
| Baylor College of Medicine | 98 (19) |
| Duke University | 198 (38) |
| Durham Veterans Affairs Medical Center | 88 (17) |
| Erasmus Medical Center | 139 (27) |
| Ethnicity | |
| African American | 95 (18) |
| White | 282 (54) |
| Other or unknown | 146 (28) |
| Age (years) | |
| 40–49 | 7 (1) |
| 50–59 | 158 (30) |
| 60–69 | 288 (55) |
| 70–79 | 70 (13) |
| Pathological stage | |
| pT2 (organ confined) | 368 (70) |
| pT3a (extraprostatic extension) | 125 (24) |
| pT3b (seminal vesicle invasion) | 29 (6) |
| Unknown | 1 (0.2) |
| Preoperative PSA (ng/mL) | |
| ≤4.0 | 100 (19) |
| 4.1–10 | 311 (59) |
| 10.1–20 | 86 (16) |
| >20 | 26 (5) |
| Surgical margin | |
| R1 | 157 (30) |
| R0 | 362 (69) |
| Unknown | 4 (0.8) |
| Tumor content in sample | |
| 1%–9% | 40 (8) |
| 10%–24% | 85 (16) |
| 25%–49% | 136 (26) |
| 50%–74% | 144 (28) |
| 75%–100% | 118 (23) |
| Pathological Gleason score | |
| 4 | 1 (0.2) |
| 5 | 55 (11) |
| 6 | 173 (33) |
| 7 | 253 (48) |
| 8 | 22 (4) |
| 9 | 17 (3) |
| 10 | 2 (0.4) |
All patients had a localized disease (N0, M0) with a postoperative decrease of PSA serum levels <0.1 ng/mL.