Table 1.
Patient and tumor characteristics (n=74)
| Age (years) | ||
| Median | 62 | |
| Minimum – maximum | 43 – 75 | |
| First quartile – third quartile | 55 – 66 | |
| ≤ 65 | 52 | 70.3% |
| > 65 | 22 | 29.7% |
| Race | ||
| American Indian or Alaskan native | 2 | 2.7% |
| Black or African-American | 6 | 8.1% |
| White | 65 | 87.8% |
| Unknown | 1 | 1.4% |
| Ethnicity | ||
| Hispanic or Latino | 1 | 1.4% |
| Not Hispanic or Latino | 66 | 89.2% |
| Unknown | 7 | 9.5% |
| Zubrod performance status | ||
| 0 | 69 | 93.2% |
| 1 | 5 | 6.8% |
| Prostatectomy margin | ||
| Positive | 43 | 58.1% |
| Negative | 31 | 41.9% |
| T stage, pathologic | ||
| pT2a | 1 | 1.4% |
| pT2c | 2 | 2.7% |
| pT3 (not otherwise specified) | 2 | 2.7% |
| pT3a | 28 | 37.8% |
| pT3b | 40 | 54.1% |
| pT4 | 1 | 1.4% |
| PSA (postoperative nadir, ng/mL) | ||
| ≤ 0.1 | 33 | 44.6% |
| > 0.1 to 0.2 | 6 | 8.1% |
| > 0.2 | 35 | 47.3% |
| PSA (study entry, ng/mL) | ||
| ≤ 0.1 | 27 | 36.5% |
| > 0.1 to 0.2 | 7 | 9.5% |
| > 0.2 | 40 | 54.1% |
| Gleason score, combined | ||
| 7 | 13 | 17.6% |
| 8 | 19 | 25.7% |
| 9 | 41 | 55.4% |
| 10 | 1 | 1.4% |