Selected Demographics and Clinical Data for Study Cohort
| Parameter | Data |
| Age (y) | 63 (45–74) |
| White race | 27 (87.1) |
| Months since radical prostatectomy | 30 (4–152) |
| Gleason grade group | |
| 1 | 2 (6.4) |
| 2 | 6 (19.4) |
| 3 | 13 (41.9) |
| 4 | 1 (3.2) |
| 5 | 9 (29.0) |
| Pathologic stage | |
| pT2 | 11/31 (35.5) |
| pT3a | 14/31 (45.2) |
| pT3b | 6/31 (19.4) |
| N1 | 8/31 (25.8) |
| Positive surgical margin | 13/31 (41.9) |
| PSA (ng/mL) | 0.4 (0.2–28.3) |
Qualitative data are expressed as numbers followed by percentages in parentheses; continuous data are expressed as median followed by range in parentheses.