| Conditions | Sex | Percentage (%) | |
| male | female | ||
| Malignant tumors of the larynx | 51 | 3 | 37% |
| Malignant tumors of the pharynx | 5 | 6 | 7% |
| Difficult Intubation | 7 | 5 | 8% |
| Laryngeal papillomatosis | 7 | 4 | 7% |
| laryngeal tracheal trauma | 11 | 8 | 12% |
| Thyroid tumors | 3 | 11 | 10% |
| Guillain Barre Syndrome | 1 | 3 | 3% |
| Extensive cervical cellulitis | 4 | 5 | 6% |
| Foreign bodies in the upper respiratory tract | 9 | 4 | 9% |