| Laryngeal pathology | Male | Female | Total (%) |
| Recurrent respiratory |
|
|
|
| Pappilomatosis | 16 | 7 | 23 (44.2%) |
| Foreign bodies: |
|
| 15 (28.8%) |
| ・ Glass | 2 | - |
|
| ・ Ear rings | 2 | 3 |
|
| ・ Ground nut shell | 2 | 1 |
|
| ・ Toy valve | 1 | 1 |
|
| ・ Screw | 2 | 1 |
|
| Acute laryngeal infections: |
|
| 9 (17.3%) |
| ・ Croup | 3 | 1 |
|
| ・ Epiglotitis | 1 | 1 |
|
| ・ Retropharyngeal abscess | 2 | 1 |
|
| Vocal cord nodules | 2 | - | 2 (3.9%) |
| Laryngeal trauma | 2 | 1 | 3 (5.8%) |