|
| Effectifs | % |
| Anesthesia | 105 | 100 |
| Local | 59 | 56.2 |
| General | 46 | 43.8 |
| Skin incision | 105 | 100 |
| Horizontal | 99 | 94.3 |
| Vertical | 6 | 5.7 |
| Tracheal incision | 105 | 100 |
| Under thyroid isthmus | 98 | 93.3 |
| Sus-isthmic | 5 | 4.8 |
| Trans-isthmic | 2 | 1.9 |
| Shape of tracheal incision | 105 | 100 |
| “I” or “H” | 97 | 92.4 |
| “U” | 8 | 7.6 |
| Cannula material | 105 | 100 |
| Metallic | 65 | 61.9 |
| Plastic | 40 | 38.1 |
| Type of cannula | 105 | 100 |
| Complete | 69 | 65.7 |
| Incomplete | 36 | 34.3 |