Clinical data of included 123 patients with head and neck squamous cell carcinoma
| Patients (n) | |
| Sex | |
| Male | 89 |
| Female | 32 |
| Age (years) | |
| ≤50 | 11 |
| 51–60 | 42 |
| 61–70 | 39 |
| 71–80 | 26 |
| ≥80 | 5 |
| p16 | |
| Negative | 83 |
| Positive | 38 |
| Tumour site | |
| Oral cavity | 16 |
| Oropharynx | 55 |
| Hypopharynx | 24 |
| Larynx | 21 |
| Carcinoma of unknown primary | 5 |
| Clinical UICC stage | |
| Stage I | 4 |
| Stage II | 7 |
| Stage III | 17 |
| Stage IVa | 75 |
| Stage IVb | 16 |
| Stage IVc | 2 |