Table 4.
Mean hearing loss in all patients and in patients with idiopathic (ISSNHL) and non-idiopathic sudden sensorineural hearing loss (NISSNHL)
| Parameter | all Mean (dBHL) | SD (dBHL) | ISSNHL Mean (dBHL) | SD (dBHL) | NISSNHL Mean (dBHL) | SD (dBHL) | p |
|---|---|---|---|---|---|---|---|
| 10PTA, dBHL | 56.4 | 31.4 | 58.0 | 31.7 | 47.0 | 28.1 | 0.003 |
| 9PTA, dBHL | 56.6 | 31.1 | 58.2 | 31.4 | 47.6 | 27.9 | 0.004 |
| 4PTA, dBHL | 55.9 | 32.9 | 57.8 | 33.1 | 44.5 | 29.4 | 0.000 |
| LF-3PTA, dBHL | 50.4 | 32.8 | 52.8 | 32.8 | 36.5 | 29.6 | 0.000 |
| MF-3PTA, dBHL | 59.4 | 34.2 | 60.8 | 34.6 | 51.2 | 30.6 | 0.016 |
| HF-2PTA, dBHL | 68.0 | 37.1 | 68.3 | 37.5 | 66.1 | 34.6 | 0.616 |
| 3PTAmax, dBHL | 72.1 | 31.2 | 72.9 | 31.3 | 67.4 | 30.5 | 0.124 |
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)