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Proportions of patients with sensorineural hearing loss (SNHL) at different radiotherapy dose to primary tumor
| RT dose (Gy) | N | SNHL (grade 1/2/3) | Severe SNHL (≥ grade 3) |
|---|---|---|---|
| >65 | 20 | 14 (70.0%) | 5 (25.0%) |
| 50–65 | 23 | 15 (65.2%) | 1 (4.3%) |
| <50 | 16 | 3 (18.8%) | 0 (0.0%) |
