Table 4.
The Mean ± SD of 250, 500, 1000, 2000, 4000 and 8000 Hz frequencies in the C group.
| Case | 250 Hz |
500 Hz |
1000 Hz |
2000 Hz |
4000 Hz |
8000 Hz |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Left (dB) | Right(dB) | Left (dB) | Right(dB) | Left (dB) | Right(dB) | Left (dB) | Right(dB) | Left (dB) | Right(dB) | Left (dB) | Right(dB) | |
| 1 | 2 | 3 | 3 | 0 | 3 | 3 | 2 | 3 | 4 | 5 | 6 | 8 |
| 2 | 2 | 5 | 4 | 2 | 3 | 3 | 5 | 5 | 5 | 5 | 7 | 7 |
| 3 | 0 | 2 | 5 | 0 | 5 | 2 | 6 | 2 | 4 | 4 | 5 | 5 |
| 4 | 4 | 5 | 5 | 4 | 5 | 5 | 7 | 6 | 4 | 5 | 5 | 6 |
| 5 | 0 | 3 | 0 | 3 | 5 | 3 | 4 | 4 | 5 | 5 | 5 | 5 |
| 6 | 0 | 0 | 3 | 0 | 3 | 0 | 6 | 5 | 5 | 5 | 7 | 5 |
| 7 | 5 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 5 | 8 | 9 |
| 8 | 4 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 3 | 5 | 3 |
| 9 | 4 | 8 | 5 | 8 | 3 | 10 | 5 | 9 | 10 | 11 | 9 | 12 |
| 10 | 12 | 13 | 9 | 10 | 10 | 11 | 9 | 11 | 9 | 11 | 11 | 13 |
| 11 | 8 | 9 | 5 | 8 | 6 | 8 | 5 | 6 | 5 | 8 | 5 | 8 |
| 12 | 8 | 2 | 5 | 2 | 5 | 6 | 5 | 4 | 7 | 3 | 7 | 4 |
| 13 | 7 | 3 | 5 | 2 | 5 | 4 | 3 | 3 | 6 | 5 | 7 | 5 |
| 14 | 6 | 6 | 6 | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
| 15 | 5 | 4 | 4 | 6 | 6 | 5 | 5 | 6 | 7 | 8 | 7 | 9 |
| 16 | 11 | 10 | 10 | 9 | 10 | 8 | 11 | 9 | 11 | 10 | 14 | 10 |
| 17 | 6 | 5 | 5 | 5 | 6 | 5 | 5 | 7 | 7 | 6 | 10 | 7 |
| 18 | 8 | 4 | 8 | 4 | 6 | 3 | 9 | 5 | 9 | 5 | 9 | 5 |
| 19 | 5 | 5 | 5 | 4 | 5 | 3 | 6 | 3 | 5 | 5 | 8 | 7 |
| 20 | 4 | 5 | 0 | 5 | 4 | 5 | 0 | 5 | 7 | 5 | 8 | 6 |
| 21 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 5 | 4 | 6 |
| 22 | 5 | 5 | 3 | 5 | 6 | 4 | 5 | 4 | 7 | 5 | 9 | 8 |
| 23 | 6 | 5 | 5 | 6 | 5 | 7 | 5 | 7 | 6 | 5 | 5 | 6 |
| 24 | 5 | 0 | 5 | 0 | 6 | 5 | 4 | 6 | 5 | 6 | 8 | 6 |
| 25 | 0 | 0 | 0 | 0 | 5 | 4 | 5 | 3 | 8 | 6 | 7 | 6 |
| 26 | 8 | 3 | 6 | 3 | 5 | 3 | 6 | 5 | 9 | 6 | 11 | 9 |
| 27 | 10 | 9 | 8 | 7 | 8 | 8 | 6 | 4 | 5 | 4 | 9 | 8 |
| 28 | 10 | 8 | 8 | 7 | 5 | 8 | 5 | 6 | 5 | 7 | 9 | 3 |
| 29 | 4 | 5 | 4 | 5 | 5 | 6 | 5 | 7 | 8 | 6 | 10 | 10 |
| 30 | 5 | 7 | 5 | 8 | 5 | 6 | 5 | 6 | 5 | 5 | 8 | 11 |
| 31 | 4 | 6 | 4 | 5 | 5 | 8 | 6 | 8 | 7 | 7 | 8 | 8 |
| 32 | 8 | 7 | 6 | 6 | 8 | 6 | 8 | 8 | 11 | 8 | 14 | 10 |
| 33 | 5 | 3 | 0 | 0 | 0 | 0 | 4 | 5 | 2 | 3 | 5 | 4 |
| 34 | 8 | 3 | 6 | 5 | 6 | 4 | 10 | 5 | 10 | 6 | 12 | 9 |
| 35 | 6 | 9 | 5 | 9 | 5 | 8 | 8 | 7 | 8 | 9 | 11 | 11 |
| Mean ± SD | 7.00 ± 2.97 | 5.00 ± 3.74 | 5.46 ± 3.01 | 4.66 ± 3.55 | 5.26 ± 2.60 | 5.06 ± 2.56 | 5.93 ± 3.10 | 5.58 ± 2.31 | 6.87 ± 2.60 | 5.88 ± 2.11 | 8.76 ± 2.84 | 7.11 ± 2.86 |