Table 2 Preoperative audiometry and 2 and 6 months follow-up PTA
AIR | Group A Periosteum | Group B Cartilage | P value |
|---|---|---|---|
Mean ± SD | Mean ± SD | ||
Preoperative | |||
250 | 57±8.53 | 47.63±9.87 | 0.000** |
500 | 50.88±6.97 | 44.75±9.87 | 0.003** |
1000 | 45.63±9.82 | 42.63±10.86 | 0.276 |
2000 | 40.38±9.36 | 39.75±10.12 | 0.770 |
4000 | 43.75±7.99 | 42.25±8.62 | 0.418 |
8000 | 47.63±10.44 | 42.5±11.09 | 0.031* |
Postoperative after 2 months | |||
250 | 33.13±8.06 | 33.25±10.16 | 0.884 |
500 | 26.5±6.62 | 24.5±8.38 | 0.065 |
1000 | 23.75±6.77 | 21.75±7.56 | 0.046 |
2000 | 23.38±8.43 | 21.5±7.18 | 0.160 |
4000 | 22.13±8.46 | 24±7.7 | 0.421 |
8000 | 22.63±8.99 | 25.63±8.02 | 0.220 |
Postoperative after 6 months | |||
250 | 27.13±9.53 | 32.13±10.12 | 0.012* |
500 | 20.75±7.64 | 24.13±10.55 | 0.211 |
1000 | 20±7.84 | 22.38±10.62 | 0.491 |
2000 | 20.38±8.2 | 21.75±8.59 | 0.620 |
4000 | 18.63±8.24 | 23.75±8.6 | 0.002** |
8000 | 18.75±9.04 | 25.13±9.77 | 0.001** |