Table A1.
Patient and Treatment Characteristics at First Presentation.
| Patient and Treatment Characteristics at First Presentation | Number | Percent (Range) |
|---|---|---|
| Male | 35 | 65 |
| Female | 19 | 35 |
| Median age (years) | 59 | (33 to 81) |
| Tumor site | ||
| Larynx | 6 | 11 |
| Oropharyngeal * | 18 | 33 |
| Nasopharyngeal | 1 | 2 |
| Hypopharyngeal | 5 | 9 |
| Oral cavity | 17 | 31 |
| Unknown primary | 2 | 4 |
| Sino/nasal | 3 | 6 |
| Salivary gland | 2 | 4 |
| Histology | ||
| Squamous cell carcinoma | 46 | 85 |
| Adenoid cystic carcinoma | 5 | 9 |
| Other † | 3 | 6 |
| Tumor Stage | ||
| I | 5 | 9 |
| II | 11 | 20 |
| III | 7 | 13 |
| IVa | 28 | 52 |
| IVb | 3 | 6 |
| T-stage | ||
| 0 | 2 | 4 |
| 1 | 9 | 17 |
| 2 | 22 | 41 |
| 3 | 4 | 7 |
| 4 | 17 | 31 |
| Median treatment dose (Gy) | 68 | (60–79) |
Tumor stage according to American Joint Committee on Cancer (AJCC) Cancer Staging Manual 7 th edition. * Association with human papilloma virus (HPV): 11 HPV-positive, two HPV-negative, five HPV status unknown. † one salivary duct cancer, one undifferentiated non-keratinizing cancer, one adenocarcinoma. Bold font is used to mark subheadings.