Table 4: Air bone gap (ABG) average and groups
| Group A | Group B | P value | |
| Preoperative ABG average Postoperative ABG average |
32.50 ± 1.50 8.50 ± 1.25 |
30.75 ± 1.25 9.25 ± 0.75 |
significant p < 0.0001 significant p < 0.0001 |
| Postoperative ABG - ≤ 10 dB - 11-20 dB - 21-30 dB |
85% (34/40) 15% (6/40) 0 |
80.7% (29/36) 19.3% (7/36) 0 |
Significant p < 0.0001 Significant p < 0.0001 |