Table 1.
Clinical and patient demographic characteristics.
| All patients (%) | |
|---|---|
|
| |
| Sex | |
| Male | 766 (85%) |
| Female | 140 (15%) |
| Age | |
| Median (range) | 66.13 (39–92) |
| T classification | |
| 1 | 335 (37%) |
| 2 | 349 (38%) |
| 3 | 134 (15%) |
| 4 | 88 (10%) |
| N classification | |
| 0 | 84 (9%) |
| 1 | 129 (14%) |
| 2a | 110 (12%) |
| 2b | 404 (45%) |
| 2c | 150 (17%) |
| 3 | 29 (3%) |
| Cancer subsite | |
| Tonsil | 418 (46%) |
| Base of tongue | 445 (49%) |
| Glossopharyngeal sulcus | 11 (1%) |
| Other | 32 (4%) |
| HPV or p16 | |
| No | 58 (6%) |
| Yes | 441 (49%) |
| Unknown | 407 (45%) |
| Therapeutic combination | |
| RT alone | 272 (30%) |
| RT ± systemic* | 610 (67%) |
| Surgery + Adjuvant | 16 (2%) |
| Surgery alone | 8 (1%) |
| Survival time (median) | 7 years |
| Smoking survey | |
| No | 859 (97%) |
| Yes | 31 (3%) |
| Smoking at diagnosis | |
| No | 418 (46%) |
| Former | 428 (47%) |
| Current | 60 (7%) |
| Self-reported teeth at survey | |
| No teeth | 88 (10%) |
| I have all or most of my teeth | 637 (72%) |
| I have many missing teeth | 163 (18%) |
*
Induction or concurrent systemic therapy