Table I.
Demographic characteristics of patients.
| Characteristic | n | % |
|---|---|---|
| Gender | ||
| Male | 345 | 82 |
| Female | 76 | 18 |
| Race | ||
| White | 342 | 81 |
| Other | 79 | 19 |
| Primary site | ||
| Oropharynx | 290 | 69 |
| Larynx | 67 | 16 |
| Nasopharynx | 46 | 11 |
| Hypopharynx | 18 | 4 |
| T stage (AJCC 7th ed) | ||
| 1 | 89 | 21 |
| 2 | 168 | 40 |
| 3 | 108 | 26 |
| 4 | 56 | 13 |
| N stage | ||
| 0 | 47 | 11 |
| 1 | 92 | 22 |
| 2 | 269 | 64 |
| 3 | 13 | 3 |
| Overall stage | ||
| II | 19 | 4 |
| III | 108 | 26 |
| IV | 294 | 70 |
| Age | ||
| ≤55 years | 191 | 45 |
| >55 years | 230 | 55 |
| KPS* | ||
| ≤80 | 80 | 20 |
| >80 | 327 | 80 |