Effect of seniority of operating surgeon on theatre times, hospital stay, and overall cost per patient
| Cases | Bypass (min) | Cross clamp (mins) | Grafts (mean) | Time/graft (mins) | Theatre time (mins) | ITU stay (hours) | Hospital stay (days) | Cost (£/patient) | |
| Consultant | 1524 | 70.8 (0.8) | 36.2 (0.4) | 3.3 (0.03) | 11.4 (0.1) | 179 (1.5) | 27.6 (1.0) | 8.2 (0.1) | £6620 (54) |
| Senior trainee | 759 | 73.7 (0.8) | 40.6 (0.5)1-165 | 3.2 (0.03) | 13.1 (0.1)1-165 | 171 (1.6)1-160 | 27.5 (1.6) | 8.3 (0.2) | £6572 (81) |
| Intermediate trainee | 434 | 78.4 (1.2)1-165 | 43.5 (0.7)1-165 | 3.2 (0.05) | 14.2 (0.2)1-165 | 188 (3.0)1-150 | 23.7 (1.0) | 8.3 (0.3) | £6494 (64) |
| Junior trainee | 23 | 79.7 (4.4) | 44.6 (2.4)1-150 | 2.9 (0.15) | 15.7 (0.5)1-165 | 189 (6.1) | 23.0 (2.4) | 7.1 (0.3) | £6404 (145) |