Table 1.
Baseline characteristics of the patients.
| Variable | Number of patients | % |
|---|---|---|
| Gender | ||
| Female | 37 | 20.2 |
| Male | 146 | 79.8 |
| Age median | 56 (range 23–75) | |
| Primary tumor site | ||
| Nasopharynx | 15 | 8.2 |
| Oropharynx | 53 | 28.8 |
| Hypopharynx | 25 | 13.6 |
| Larynx | 27 | 14.7 |
| Oral cavity | 45 | 24.5 |
| Other | 18 | 9.7 |
| Primary treatment | ||
| Radiotherapy only | 120 | 65.2 |
| Surgery only | 9 | 4.9 |
| Radiotherapy and surgery | 49 | 26.7 |
| No primary treatment | 2 | 1.1 |
| Chemotherapy | 0 | 0 |
| Other | 4 | 2.2 |
| Extent of disease at enrollment | ||
| Local only (T) | 58 | 32 |
| Regional only (N) | 2 | 1 |
| Distant only (M) | 1 | 0.5 |
| Local and regional | 58 | 32 |
| Local and distant | 30 | 16 |
| Regional and distant | 1 | 0.5 |
| Local, regional, and distant | 33 | 18 |
| WHO performance status | ||
| 0 | 31 | 16.8 |
| 1 | 107 | 58.7 |
| 2 | 45 | 24.5 |