Table 1.
Clinicopathological parameters.
| Age, Years (Median (Range)) | 62 (42–82) | |
| Gender | Female | 13 (16) |
| Male | 67 (84) | |
| Smoking history | ≥20 PY | 63 (79) |
| <20 PY | 17 (21) | |
| Alcohol abuse (≥30 U/week) | Yes | 50 (63) |
| No | 30 (68) | |
| Tumor site | Oral cavity | 39 (49) |
| Oropharynx | 12 (15) | |
| Hypopharynx | 13 (16) | |
| Larynx | 16 (20) | |
| T stage | 1 | 24 (30) |
| 2 | 20 (25) | |
| 3 | 18 (23) | |
| 4 | 18 (23) | |
| N stage | 0 | 46 (58) |
| 1+ | 34 (42) | |
| Prognostic stage | I | 16 (20) |
| II | 12 (15) | |
| III | 14 (18) | |
| IVa | 32 (40) | |
| IVb | 4 (5) | |
| IVc | 2 (3) | |
| Grade of differentiation | Good | 7 (9) |
| Moderate | 42 (53) | |
| Poor | 26 (33) | |
| Basaloid | 5 (6) | |
| Primary therapy | Surgery | 56 (70) |
| Radiotherapy | 11 (14) | |
| Radiochemotherapy | 12 (15) | |
| Chemotherapy | 1 (1) |
Data denote numbers (%), unless otherwise indicated. PY, pack-years.