Table 2 Results of univariate analysis
| Factor | 48 months bRFS% | p-value | |
|---|---|---|---|
| Tumor size | T2 | 71 | 0.2 |
| T3, T4 | 54 | ||
| Gleason score | ≤ 7 | 70 | 0.039 |
| > 7 | 44.2 | ||
| Initial PSA | ≤ 10 | 60 | 0.4 |
| >10-20 | 73.2 | ||
| >20 | 25 | ||
| Resection margin | R0 + Rx | 55.8 | 0.04 |
| R1 | 77 | ||
| Local recurrence | Yes | 61 | 0.2 |
| No | 63 | ||
| Pre-radiation PSA | ≤ 0.5 | 70 | 0.043 |
| > 0.5 | 51 | ||
| Dose | = 66 Gy | 63.6 | 0.1 |
| > 66 Gy < 70 Gy | 85.7 | ||
| ≥70 Gy | 52.5 |