Table 7: A-B Gap IN dB before and Sixth Month after Myringoplasty.
Group 1 (n = 60)
Group 2 (n = 60)
P Value
Preoperative A-B gap
32.44 ± 8.18
26.94 ± 6.8
0.026
Postoperative A-B gap
14.44 ± 3.857
13.24 ± 6.02
0.45
A-B gap difference
−18 ± 7.156
−13.17 ± 5.708
0.042