Morbidity according to the seniority of the operating surgeon
| Bleeding | Wound infection | |
| Consultant | 60 (3.9%) | 15 (1.0%) |
| Senior trainee | 18 (2.4%) | 5 (0.7%) |
| Intermediate trainee | 20 (4.6%) | 5 (1.2%) |
| Junior trainee | 1 (4.3%) | 0 (0.0%) |
Values are total number of patients (%).
All values are non-significant vconsultant.