Table 1.
Clinical parameters of HNSCC cohort including sex, age, localization, TNM classification, perineural invasion status, extracapsular extension status, grade, and UICC stage. Nd: not determined.
| Variable | Number of patients (total n = 102) | Percentage |
|---|---|---|
| Sex | ||
| Male | 72 | 70.6% |
| Female | 30 | 29.4% |
| Median age (range) | 61 years (20–84) | |
| Localization | ||
| Hypopharynx | 15 | 14.7% |
| Larynx | 11 | 10.8% |
| Oral cavity | 28 | 27.5% |
| Oropharynx | 48 | 47% |
| T classification | ||
| T1 | 15 | 14.7% |
| T2 | 41 | 40.2% |
| T3 | 30 | 29.4% |
| T4 | 16 | 15.7% |
| N classification | ||
| N0 | 30 | 29.4% |
| N1 | 24 | 23.5% |
| N2a | 5 | 4.9% |
| N2b | 27 | 26.4% |
| N2c | 14 | 13.7% |
| N3 | 2 | 2% |
| M classification | ||
| M0 | 102 | 100% |
| M1 | 0 | 0% |
| Perineural invasion | ||
| Pn0 | 53 | 52% |
| Pn1 | 19 | 18.6% |
| nd | 30 | 29.4% |
| Extension | ||
| ECE− | 43 | 60.5% |
| ECE+ | 28 | 39.5% |
| Grade | ||
| I | 3 | 2.95% |
| II | 38 | 37.25% |
| III | 61 | 59.8% |
| UICC stage | ||
| I | 1 | 0.98% |
| II | 9 | 8.8% |
| III | 32 | 31.4% |
| Iva | 57 | 55.9% |
| IVb | 3 | 2.95% |
| HPV status | ||
| HPVneg | 80 | 78.4% |
| HPVpos | 22 | 21.6% |