Table 1.
Patient and tumor characteristics (n = 26)
| Characteristic | ||
|---|---|---|
| Age, years, median (range) | 61 (31−79) | |
| Sex, n (%) | Male | 10 (38) |
| Female | 16 (62) | |
| Performance status, n (%) | 0 | 19 (73) |
| 1 | 7 (27) | |
| Tumor site, n (%) | Parotid gland | 10 (38) |
| Oral cavity | 6 (23) | |
| Nasal cavity/paranasal sinus | 5 (19) | |
| Pharynx | 3 (12) | |
| Parapharyngeal space | 2 (8) | |
| Disease, n (%) | Primary tumor | 21 (81) |
| Postoperative recurrence | 5 (19) | |
| Operability, n (%) | Operable | 16 (62) |
| Inoperable | 10 (38) | |
| T stage, n (%) | T1 | 2 (8) |
| T2 | 4 (15) | |
| T3 | 4 (15) | |
| T4 | 16 (62) | |
| N stage, n (%) | N0 | 25 (96) |
| N1 | 1 (4) | |
| Gross tumor volume, cm3, median (range) | 21 (3−191) | |
| Radiation dose, n (%) | 64.0 Gy (RBE)/16 fractions | 13 (50) |
| 57.6 Gy (RBE)/16 fractions | 6 (23) | |
| 65.0 Gy (RBE)/26 fractions | 5 (19) | |
| 70.2 Gy (RBE)/26 fractions | 1 (4) | |
| 70.4 Gy (RBE)/32 fractions | 1 (4) | |
RBE, relative biological effectiveness.