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No significant differences between the surgeons were observed (ANOVA)
| Surgeons | N | Expected risk for mediastinits [%] | Observed incidence of mediasitnitis [%] | Observed/Expected |
|---|---|---|---|---|
| Surg. A | 331 | 1,2 | 1,2 | 1,0 |
| Surg. B | 294 | 1,0 | 1,7 | 1,6 |
| Surg. C | 746 | 1,1 | 0,7 | 0,6 |
| Surg. D | 685 | 1,3 | 1,3 | 1,0 |
| Surg. E | 205 | 1,4 | 0,0 | 0,0 |
| Surg. F | 921 | 1,0 | 1,0 | 0,9 |
| Surg. G | 576 | 1,2 | 1,4 | 1,1 |
| Trainees | 1031 | 1,1 | 1,2 | 1,1 |
