Table 1.
Patient and treatment characteristics; N = 36 patients
| Age (years), median (range) | |
| Short-term | 59 (32–78) |
| Long-term | 66 (39–85) |
| Gender | |
| Male | 25 (70%) |
| Female | 11 (30%) |
| Audiological follow-up, median | |
| Short-term (months) | 3.5 (1.0–14.1) |
| Long-term (years) | 7.6 (3.7–9.3) |
| Dose to cochlea in Gray | |
| Mean | 17.8 |
| Median | 13.1 |
| Range | 1.0–66.6 |
| Primary tumor site | |
| Parotid gland | 11 (30%) |
| Oropharynx | 9 (25%) |
| Larynx | 8 (22%) |
| Oral cavity | 3 (8%) |
| Maxillary sinus | 1 (3%) |
| Submandibular gland | 1 (3%) |
| Nasal cavity | 1 (3%) |
| External ear | 1 (3%) |
| Unknown primary | 1 (3%) |
| T classification | |
| 1 | 7 (19%) |
| 2 | 18 (50%) |
| 3 | 2 (5.5%) |
| 4 | 2 (5.5%) |
| Unknown primary | 1 (3%) |
| Not applicable* | 6 (17%) |
| N classification | |
| 0 | 22 (61%) |
| 1 | 4 (11%) |
| 2 | 4 (11%) |
| Not applicable* | 6 (17%) |