Characteristic | Number of patients, n (%) |
---|---|
Laterality of canal stenosis/atresia | |
Bilateral | 20 (36.4) |
Unilateral | 35 (63.6) |
Right | 26 (47.3) |
Left | 9 (16.3) |
Canal cholesteatoma | |
Present | 6 (10.9) |
Absent | 49 (89.1) |
Hearing threshold | |
Normal | 1 (1.8) |
Mild | 5 (5) |
Moderate | 35 (63.6) |
Severe | 10 (18.2) |
Profound | 4 (7.3) |