Table 6.
Hearing recovery rates in patients with idiopathic and non-idiopathic sensorineural hearing loss
| Parameter | ISSNHL (n = 490) | NISSNHL (n = 84) | p |
|---|---|---|---|
| 10PTA, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 34.9 | 28.6 | 0.258 |
| ΔPTAabs ≥ 15 dB (%) | 24.1 | 15.5 | 0.083 |
| ΔPTArel ≥ 50% (%) | 13.9 | 9.5 | 0.277 |
| ΔPTArelcontral ≥ 50% (%) | 29.2 | 33.3 | 0.443 |
| 9PTA, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 34.7 | 27.4 | 0.190 |
| ΔPTAabs ≥ 15 dB (%) | 23.1 | 16.7 | 0.192 |
| ΔPTArel ≥ 50% (%) | 13.7 | 9.5 | 0.298 |
| ΔPTArelcontral ≥ 50% (%) | 30 | 33.3 | 0.540 |
| 4PTA, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 36.7 | 29.8 | 0.218 |
| ΔPTAabs ≥ 15 dB (%) | 25.5 | 19 | 0.204 |
| ΔPTArel ≥ 50% (%) | 15.7 | 9.5 | 0.140 |
| ΔPTArelcontral ≥ 50% (%) | 30.2 | 39.3 | 0.098 |
| LF-3PTA, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 42 | 27.4 | 0.011 |
| ΔPTAabs ≥ 15 dB (%) | 32.2 | 17.9 | 0.008 |
| ΔPTArel ≥ 50% (%) | 21 | 17.9 | 0.508 |
| ΔPTArelcontral ≥ 50% (%) | 32.7 | 38.1 | 0.329 |
| MF-3PTA, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 29.4 | 33.3 | 0.466 |
| ΔPTAabs ≥ 15 dB (%) | 22.4 | 23.8 | 0.783 |
| ΔPTArel ≥ 50% (%) | 12.9 | 14.3 | 0.720 |
| ΔPTArelcontral ≥ 50% (%) | 28.8 | 38.1 | 0.086 |
| HF-2PTA, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 28 | 38.1 | 0.060 |
| ΔPTAabs ≥ 15 dB (%) | 20.4 | 21.4 | 0.831 |
| ΔPTArel ≥ 50% (%) | 10.2 | 9.5 | 0.849 |
| ΔPTArelcontral ≥ 50% (%) | 26.9 | 28.6 | 0.756 |
| 3PTAmax, dBHL | |||
| ΔPTAabs ≥ 10 dB (%) | 34.3 | 48.8 | 0.011 |
| ΔPTAabs ≥ 15 dB (%) | 25.9 | 28.6 | 0.610 |
| ΔPTArel ≥ 50% (%) | 10.2 | 8.3 | 0.597 |
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)