Postoperative Multivariate Cox Proportional Hazards Model for Predicting Treatment Failure (n = 101).
| Variable | Hazard ratio | P |
| PET metastasis (any site) | 3.07 (1.73, 5.46) | 0.0001 |
| PSA (ng/mL) | 1.00 (1.00, 1.01) | 0.3722 |
| Pathology stage | <0.0001 | |
| 3a vs. 2 | 2.45 (1.07, 5.62) | |
| 3b vs. 2 | 8.15 (3.67, 18.11) | |
| Pathology Gleason score | 0.0021 | |
| 6 vs. 7 | 0.31 (0.04, 2.48) | |
| (8, 9, 10) vs. 7 | 2.45 (1.39, 4.31) | |
| Surgical margins (positive vs. negative) | 1.18 (0.64, 2.18) | 0.5912 |
Data in parentheses are 95% confidence intervals.