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Clinical and pathologic characteristics of the study population.
| Median age (range; years) | 59 (37–76) |
| Median preoperative PSA (range; ng/ml) | 4.9 (0.2–63.3) |
| Race (% white) | 95% |
| Clinical stage (%) | |
| T1 | 75% |
| ≥T2 | 25% |
| Biopsy Gleason score (%) | |
| ≤6 | 69% |
| ≥7 | 31% |
| Pathologic Features | |
| Organ-confined (%) | 82% |
| Prostatectomy Gleason ≥7 (%) | 47% |
| Extra-capsular extension (%) | 18% |
| Positive surgical margins (%) | 17% |
| Seminal vesicle invasion (%) | 4% |
| Pelvic lymph node metastases (%) | 0.6% |
