Table 3. Comparison of temporary threshold shifts (TTS) and permanent threshold shifts (PTS) between noise and control groups.
| Frequency (Hz) | Temporary threshold shifts (TTS) (dB) | Permanent threshold shifts (PTS) (dB) | ||||
|---|---|---|---|---|---|---|
| Control group | Noise group | p | Control group | Noise group | p | |
| 588.00 | 0.25 (0.03) | 4.58 (0.06) | 0.032 | 0.28 (0.02) | 3.21 (0.09) | 0.002 |
| 867.00 | 0.25 (0.05) | 5.63 (0.08) | 0.021 | 0.22 (0.02) | 5.19 (0.10) | 0.005 |
| 1133.00 | 0.22 (0.04) | 6.69 (0.11) | 0.017 | 0.28 (0.01) | 6.23 (0.09) | 0.023 |
| 1677.00 | 0.27 (0.01) | 7.38 (0.13) | 0.011 | 0.24 (0.02) | 6.74 (0.16) | 0.019 |
| 1967.00 | 0.24 (0.05) | 10.32 (0.14) | 0.007 | 0.04 (0.01) | 8.51 (0.12) | 0.033 |
| 3098.50 | 0.27 (0.02) | 12.10 (0.17) | 0.003 | 0.14 (0.01) | 11.03 (0.21) | 0.020 |
| 3956.00 | 0.28 (0.02) | 13.17 (0.12) | 0.029 | 0.22 (0.04) | 12.08 (0.19) | 0.017 |
| 5888.50 | 0.15 (0.01) | 17.79 (0.19) | 0.003 | 0.27 (0.02) | 16.01 (0.22) | 0.018 |
| 8166.50 | 0.09 (0.05) | 17.22 (0.13) | 0.006 | 0.14 (0.02) | 15.68 (0.17) | 0.025 |
| 9855.00 | 0.26 (0.02) | 16.21 (0.16) | 0.014 | 0.15 (0.01) | 14.80 (0.18) | 0.019 |