| Otoscopic finding | Number of cases (mucosal) | Number of cases (squamosal) | Total |
| Central perforation | 69 | 6 | 75 |
| Marginal perforation | 1 | 4 | 5 |
| Attic pathology | 0 | 10 | 10 |
| Retraction | 2 | 8 | 10 |
| Total | 72 | 28 | 100 |