| No inguinal hernia | Inguinal hernia | p-value | |
| Number of cases | 52 | 8 | |
| Age | 65.0 | 65.1 | 0.946 |
| Height (cm) | 164.4 | 165.2 | 0.670 |
| Weight (kg) | 65.5 | 63.8 | 0.187 |
| Body mass index | 26.4 | 23.4 | 0.230 |
| Past operation for inguinal hernia | 3 | 0 | 1 |
| Clinical stage of prostatic cancer | T1: 30 T2: 20 T3: 1 | T1: 5 T2: 0 T3: 3 | 0.0014 |
| Hormonal therapy (yes:no) | 29:23 | 3:5 | 1 |
| Operating time (min) | 228.7 | 202.9 | 0.187 |
| Console time (min) | 176.4 | 155.2 | 0.230 |
| Blood loss (ml) | 310.9 | 297.5 | 0.883 |