| Topography of affections | Effective | Frequency |
| Otologic | 1270 | 66.4 |
| Nasal sinus | 320 | 16.6 |
| Oral | 18 | 1.1 |
| Pharyngeal-laryngeal | 236 | 12.4 |
| Esophageal | 06 | 0.3 |
| Other Head and Neck locations | 61 | 3.2 |
| Total | 1911 | 100 |