Table 1.
Patient characteristics
| Patient Characteristic | Summary |
|---|---|
| Age, median (range) | 57 years (38–77 years) |
| Gender (M/F) | 27/3 |
| Karnofsky Performance Status, median (range) | 90 (80–100) |
| Subsite, N subjects (%) | |
| Oropharynx | 24 (80) |
| Tonsil | 11 |
| Base of tongue | 13 |
| Hypopharynx | 3 (10) |
| Larynx | 2 (7) |
| Oral cavity | 1 (3) |
| Tumor (T) classification, N subjects (%) | |
| 1 | 7 (23) |
| 2 | 14 (47) |
| 3 | 7 (23) |
| 4 | 2 (7) |
| Node (N) classification, N subjects (%) | |
| 0 | 2 (7) |
| 1 | 2 (7) |
| 2a | 3 (10) |
| 2b | 19 (63) |
| 2c | 4 (13) |
| 3 | 0 |
| Overall Stage, N subjects (%) | |
| III | 3 (10) |
| IVA | 27 (90) |
| p16 status, N subjects (%), oropharynx only | |
| Positive | 17/24 (71) |
| Negative | 1/24 (4) |
| Unknown/insufficient material for assay | 6/24 (25) |
| Tobacco Pack-Years, N subjects (%) | |
| 0 to ≤ 1 pack year | 14 (47) |
| > 1 to ≤ 10 pack years | 8 (27) |
| >10 to ≤ 20 pack years | 1 (3) |
| >20 pack years | 6 (20) |
| Unknown | 1 (3) |