| Ear and frequence (Hz) | NVE | AVE | p-value | ||
| N | Median | N | Median | ||
| RE250 | 21 | 15.0 | 12 | 15.0 | 0.7363 |
| RE500 | 21 | 10.0 | 12 | 12.5 | 0.1117 |
| RE1000 | 21 | 10.0 | 12 | 15.0 | 0.0516 |
| RE2000 | 21 | 10.0 | 12 | 15.0 | 0.0588 |
| RE3000 | 21 | 15.0 | 12 | 27.5 | 0.1249 |
| RE4000 | 21 | 20.0 | 12 | 35.0 | *0.0494 |
| RE6000 | 21 | 20.0 | 12 | 35.0 | 0.0996 |
| RE8000 | 21 | 25.0 | 12 | 35.0 | 0.0588 |
| LE250 | 21 | 15.0 | 12 | 12.5 | 0.6266 |
| LE500 | 21 | 15.0 | 12 | 10.0 | 0.4542 |
| LE1000 | 21 | 10.0 | 12 | 10.0 | 0.8958 |
| LE2000 | 21 | 10.0 | 12 | 15.0 | 0.3213 |
| LE3000 | 21 | 15.0 | 12 | 25.0 | 0.5125 |
| LE4000 | 21 | 25.0 | 12 | 37.5 | 0.3399 |
| LE6000 | 21 | 40.0 | 12 | 37.5 | 0.3998 |
| LE8000 | 21 | 35.0 | 12 | 42.5 | 0.3592 |