Table 1.
Baseline characteristics.
| Characteristics | Patients (n = 30) |
|---|---|
| Age, median (range; years) | 58 (41–69) |
| Sex, n (%) | |
| Male | 27 (90.0) |
| Female | 3 (10.0) |
| Smoker, n (%) | |
| No | 16 (53.3) |
| Former, ≤10 pack-year | 1 (3.3) |
| Former, >10 pack-year | 13 (43.3) |
| Alcohol use history, n (%) | |
| Ever | 21 (70.0) |
| Never | 9 (30.0) |
| HPV status (oropharynx), n (%) | |
| Positive | 5 (38.5) |
| Negative | 8 (61.5) |
| Primary tumor site, n (%) | |
| Tonsil | 12 (40.0) |
| Soft palate | 1 (3.3) |
| Larynx | 6 (20.0) |
| Hypopharynx | 9 (30.0) |
| Base of tongue | 2 (6.7) |
| Pretreatment clinical T-stage, n (%) | |
| T1 | 1 (3.3) |
| T2 | 7 (23.3) |
| T3 | 14 (46.7) |
| T4 | 8 (26.7) |
| Pretreatment clinical N-stage, n (%) | |
| N0 | 3 (10.0) |
| N1 | 4 (13.3) |
| N2 | 18 (60) |
| N3 | 5 (16.7) |
| AJCC stage, n (%) | |
| II | 4 (13.3) |
| III | 4 (13.3) |
| IV | 22 (73.3) |
| IVA | 17 (56.7) |
| IVB | 5 (16.7) |
| PD-L1 combined positive score, n (%) | |
| <1 | 2 (6.7) |
| 1–19 | 12 (40.0) |
| ≥20 | 8 (26.7) |
| Not available | 8 (26.7) |