Table 4 Number of ears with treatment-related hearing loss
Number (ears) | Number (ears) with more hearing loss than expected according to ISO | Explanation | |
|---|---|---|---|
PTA 0.5-1-2 kHz BC | 66 | 2 (3%) | 2x: SNHL, RT dose to cochlea >45 Gy |
PTA 1-2-4 kHz BC | 66 | 2 (3%) | 2x: SNHL, RT dose to cochlea >45 Gy |
PTA 0.5-1-2 kHz AC | 72 | 3 (4%) | 2x: SNHL, RT dose to cochlea >45 Gy 1x: ABG |
PTA 1-2-4 kHz AC | 72 | 4 (6%) | 2x: SNHL, RT dose to cochlea >45 Gy 2x: ABG |
PTA 8-10-12.5 kHz | 67 | 7 (10%) | 2x: SNHL, RT dose to cochlea >45 Gy 2x: ABG at PTA 1-2-4 kHz 3x: Unexplained |