Table 5.
Univariate and multivariate Cox regression models for EFS
| Potential EFS predictors | Univariate model | Multivariate model | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | p | HR | 95% CI | p | |
| Age (71 + vs ≤ 70 years) | 0.93 | 0.59–1.47 | 0.761 | – | – | – |
| T (3a-4 vs 1–2) | 1.47 | 0.94–2.31 | 0.091 | 0.98 | 0.59–1.61 | 0.921 |
| ISUP (3–5 vs 1–2) | 1.10 | 0.69–1.74 | 0.694 | – | – | – |
| PSA at PET scan (0.51 + vs ≤ 0.50 ng/ml) | 2.08 | 1.26–3.42 | 0.004 | 2.07 | 1.25–3.41 | 0.005 |
| PSA doubling time (6 + vs ≤ 6 months) | 2.03 | 1.30–3.16 | 0.002 | 2.03 | 1.29–3.17 | 0.002 |
| Salvage therapy (yes vs no) | 0.95 | 0.58–155 | 0.831 | – | – | – |
| Clinical setting | 0.077 | 0.315 | ||||
|
Relapse after SRT vs first BCR BCP vs first BCR |
1.73 1.66 |
1.06–2.82 0.84–3.28 |
0.028 0.145 |
1.46 1.49 |
0.87–2.44 0.71–3.09 |
0.151 0.289 |
| PET result (pos vs neg) | 2.08 | 1.34–3.24 | 0.001 | 1.53 | 0.91–2.55 | 0.108 |
| Change of management (yes vs no) | 1.31 | 0.82–2.08 | 0.259 | – | – | – |