Table 5.
Pre- and post-treatment hearing level, overall absolute and relative hearing improvement on the affected ear in patients with idiopathic and non-idiopathic sensorineural hearing loss
| Parameter | Pre-treatment | Post-treatment | Absolute hearing gain, ΔPTAabs | Relative hearing gain, ΔPTArel | Relative hearing gain contralateral, ΔPTArelcontral | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (dBHL) | SD (dBHL) | Mean (dBHL) | SD (dBHL) | p | Mean (dB) | SD (dB) | p | Mean (%) | SD (%) | p | Mean (%) | SD (%) | p | |
| 10PTA, dBHL | ||||||||||||||
| ISSNHL | 58.0 | 31.7 | 51.2 | 36.0 | < 0.001 | 6.8 | 16.3 | 0.881 | 14.1 | 30.3 | 0.408 | 17.2 | 150.3 | 0.089 |
| NISSNHL | 47.0 | 28.1 | 40.4 | 30.3 | < 0.001 | 6.7 | 16.8 | 14.8 | 32.3 | 88.0 | 545.6 | |||
| 9PTA, dBHL | ||||||||||||||
| ISSNHL | 58.2 | 31.4 | 51.5 | 35.7 | < 0.001 | 6.7 | 16.3 | 0.797 | 13.8 | 30.0 | 0.409 | 17.4 | 141.6 | 0.099 |
| NISSNHL | 47.6 | 27.9 | 41.0 | 30.3 | < 0.001 | 6.6 | 16.8 | 14.7 | 32.1 | 82.1 | 488.0 | |||
| 4PTA, dBHL | ||||||||||||||
| ISSNHL | 57.8 | 33.1 | 50.6 | 37.2 | < 0.001 | 7.2 | 17.0 | 0.791 | 13.3 | 43.5 | 0.544 | 20.6 | 121.9 | 0.076 |
| NISSNHL | 44.5 | 29.4 | 38.0 | 31.6 | < 0.001 | 6.5 | 17.9 | 13.8 | 44.3 | 31.1 | 103.7 | |||
| LF-3PTA, dBHL | ||||||||||||||
| ISSNHL | 52.8 | 32.8 | 43.8 | 36.4 | 0.001 | 9.0 | 18.7 | 0.051 | 17.6 | 43.5 | 0.563 | 27.6 | 76.8 | 0.564 |
| NISSNHL | 36.5 | 29.6 | 31.4 | 30.5 | 0.001 | 5.1 | 18.9 | 5.6 | 79.3 | 6.2 | 289.9 | |||
| MF-3PTA, dBHL | ||||||||||||||
| ISSNHL | 60.8 | 34.6 | 54.9 | 38.8 | < 0.001 | 5.9 | 17.8 | 0.274 | 11.0 | 35.1 | 0.135 | 31.3 | 145.7 | 0.172 |
| NISSNHL | 51.2 | 30.6 | 43.2 | 32.1 | < 0.001 | 8.0 | 18.9 | 16.0 | 34.3 | 22.7 | 131.4 | |||
| HF-2PTA, dBHL | ||||||||||||||
| ISSNHL | 68.3 | 37.5 | 63.6 | 39.5 | 0.001 | 4.6 | 23.5 | 0.134 | 6.6 | 33.6 | 0.081 | 15.3 | 121.5 | 0.145 |
| NISSNHL | 66.1 | 34.6 | 58.9 | 37.9 | 0.001 | 7.2 | 18.9 | 12.5 | 27.1 | 12.7 | 88.4 | |||
| 3PTAmax dBHL | ||||||||||||||
| ISSNHL | 72.9 | 31.3 | 65.2 | 34.5 | < 0.001 | 8.1 | 18.8 | 0.152 | 12.3 | 29.1 | 0.131 | |||
| NISSNHL | 67.4 | 30.5 | 57.2 | 31.6 | < 0.001 | 10.2 | 17.6 | 15.4 | 25.9 | |||||
10PTA (0.125; 0.25; 0.5; 1; 1.5; 2; 3; 4; 6; 8 kHz), 9PTA (0.125; 0.25; 0.5; 1; 2; 3; 4; 6; 8 kHz), 4PTA: (0.5; 1; 2; 4 kHz), LF3PTA (0.125; 0.5; 1 kHz) MF3PTA (2; 3; 4 kHz), HF2PTA (6; 8 kHz), 3PTAmax (PTA of the three most affected frequencies), ΔPTAabs (Absolute hearing gain), ΔPTArel (Relative hearing gain), ΔPTArelcontral (Relative hearing gain contralateral)