Table 6.
Univariable and multivariable logistic regression model predicting Positive Surgical Margin (PSM).
| Univariable | Multivariable | |||||
|---|---|---|---|---|---|---|
| OR | CI 2.5–97.5% | P value | OR | CI 2.5–97.5% | P value | |
| Age | 1.01 | 0.98–1.03 | 0.5 | 1.02 | 0.99–1.05 | 0.3 |
| BMI | 1.05 | 1.00–1.09 | 0.03 | 1.03 | 0–971.08 | 0.4 |
| iPSA | 1.02 | 1.01–1.03 | <0.001 | 1.02 | 1.00–1.03 | 0.02 |
| Prostate volume | 1.00 | 0.99–1.02 | 0.5 | 0.99 | 0.98–1.00 | 0.3 |
| Blood loss | 1.00 | 1.00–1.00 | 0.8 | 1.00 | 1.00–1.00 | 0.9 |
| cT1c (Ref.) | 1 (Ref.) | – | – | 1 (Ref.) | – | – |
| cT2 | 1.52 | 1.05–2.20 | 0.03 | 1.23 | 0.78–1.97 | 0.4 |
| ≥ cT3 | 10.77 | 4.81–26.64 | <0.001 | 7.03 | 2.40–23.75 | <0.01 |
| Gleason 6 | 1 (Ref.) | – | – | 1 (Ref.) | – | – |
| 7 | 1.44 | 0.88–2.43 | 0.2 | 1.05 | 0.58–1.96 | 0.9 |
| 8–10 | 3.46 | 2.02–6.09 | <0.01 | 2.21 | 1.05–4.76 | 0.04 |
| Surgical approach ORP | 1 (Ref.) | – | – | 1 (Ref.) | – | – |
| RARP | 0.74 | 0.52–1.05 | 0.1 | 1.72 | 0.93–3.25 | 0.1 |
BMI, Body mass index; iPSA, initial Prostate Specific Antigen; ORP, Open Radical Prostatectomy; RARP, Robot–assisted Radical Prostatectomy; OR, Odds ratio and CI, Confidence interval.