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Preoperative middle ear/TM status of operated ears.
| Middle ear and TM disease | ||||
|---|---|---|---|---|
| Type I (N = 127) n/% |
Type II (N = 45) n/% |
Type III (N = 22) n/% |
Total n/% |
|
| Central TM perforation | 120/61.85 | 0/0 | 0/0 | 120/61.85 |
| Large-total/subtotal-TM perforation | 07/03.61 | 26/13.40 | 0/0 | 33/17.01 |
| Cholesteatoma | 0/0 | 19/09.80 | 22/11.34 | 41/21.14 |
| Total | 127/65.46 | 45/23.20 | 22/11.34 | 194/100.00 |
n: number of ears, TM: tympanic membrane
