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Outcome of hearing in different groups of CSOM post operatively
| Group 1—(CSOM without tympanoscelrosis) | Group 2—(CSOM with tympanoscelrosis) | Group 3—(CSOM ears with ossicular fixation tympanosclerosis) | Total | |
|---|---|---|---|---|
| Postoperative air‐bone gap (ABG) ≤ 20 dB | 691 | 168 | 49 | 908 |
| Postoperative air‐bone gap (ABG) > 20 dB | 11 | 6 | 7 | 24 |
| Total | 702 | 174 | 56 | 932 |
| 98.4% | 96.5% | 87.8% |
