Table 1. Clinicopathologic features of patients with SCCHN included in the study.
| n | |
|---|---|
| Age (years) mean (range) | 58 (46–84) |
| Sex | |
| Male | 16 |
| Female | 8 |
| Total | 24 |
| Tumour site | |
| Larynx | 6 |
| Oral cavity | 9 |
| Pharynx | 2 |
| Hypopharynx | 7 |
| Tumour stage | |
| T1 | 6 |
| T2 | 8 |
| T3 | 2 |
| T4 | 7 |
| TX | 1 |
| Nodal status | |
| N0 | 11 |
| N1 | 4 |
| N2 | 9 |
| Alcohol history | |
| Yes | 9 |
| No | 10 |
| Prior | 3 |
| Unknown | 2 |
| Smoking history | |
| Yes | 13 |
| No | 3 |
| Prior | 5 |
| Unknown | 3 |
| Status at day of blood draw | |
| No evidence of disease | 14 |
| Active disease (presurgery) | 10 |
SCCHN=squamous cell carcinoma of the head and neck.