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Standard Cox model predicting CF derived from training set
| Hazard ratio | 95% C.I. | p value | ||
|---|---|---|---|---|
| PSA (ng / ml)* | 1.02 | 1.00 | 1.05 | 0.10 |
| Gleason score | ||||
| Gleason ≤ 6 | Reference | |||
| Gleason 7 | 0.91 | 0.40 | 2.08 | 0.8 |
| Gleason ≥ 8 | 3.47 | 1.43 | 8.41 | 0.006 |
| Pathologic stage | ||||
| Organ-confined | Reference | |||
| Non-organ confined** | 2.74 | 1.19 | 6.32 | 0.02 |
non-linear terms with splines at tertiles
extracapsular extension, seminal vesicle invasion, or lymph node involvement
