Table. III.
Postoperative hearing results at follow-up. PTA-AC; pure tone average air conduction at 0.5,1, 2 and 4 kHz. PTA-BC; pure tone average bone conduction at 0.5,1, 2 and 4 kHz.
| Preoperative | Postoperative | 1 year follow-up |
||
|---|---|---|---|---|
| PTAAC | BMRM | 27.72 ± 11.46 | 32.66 ± 13.77 | 23.18 ± 12.41 |
| CWUT | 41.2 ± 20.58 | 42.55 ± 22.19 | 35.19 ± 22.33 | |
| PTABC | BMRM | 15.92 ± 9.14 | 18.8 ± 10.29 | 15.91 ± 9.92 |
| CWUT | 23.75 ± 16.07 | 23.02 ± 13.13 | 22.21 ± 16.83 | |
| ABG | BMRM | 11.79 ± 6.48 | 13.86 ± 9.03 | 7.27 ± 4.87 |
| CWUT | 17.45 ± 9.18 | 19.53 ± 13.62 | 12.98 ± 10.40 |
ABG, air bone gap; BMRM, Bondy modified radical mastoidectomy; CWUT, canal wall up tympanoplasty.