| Model 4 | |||
| Surgical Technique | Conventional | ||
| Nerve-Sparing Technique | Unilateral | Score | |
| Preoperative IIEF Score | Cut Off: <15.9 | ODDS: 2.5 | 4.11 |
| Obturator Internus Muscle Thickness | Cut Off: ≥20.2 | ODDS: 1.76 | 2.79 |
| Charlson Comorbidity Index | Cut Off: ≥4 | ODDS: 1 | 1.64 |
| Intraprostatic Urethral Length | Cut Off: ≥35.8 | ODDS: 0.75 | 1.23 |
| Age | Cut Off: ≥62 | ODDS: 0.14 | 0.23 |
| Score | 10 |