Table 1.
Clinical characteristics.
| Number of subjects (%) | |
|---|---|
| Sex | |
| Male | 15 (79) |
| Female | 4 (21) |
| Alcohol consumption | |
| Yes | 4 (21) |
| No | 15 (79) |
| Smoke | |
| Current smoker | 5 (26) |
| Former smoker | 6 (32) |
| No | 8 (42) |
| Comorbidities | |
| Systemic hypertension | 11 (57) |
| Cardiovascular diseases | 6 (31) |
| Diabetes mellitus | 3 (16) |
| Chronic obstructive pulmonary disease | 1 (5) |
| Obesity | 2 (11) |
| Tumor site | |
| Nasal cavity and paranasal sinuses | 1 (5) |
| Oral cavity | 3 (16) |
| Oropharynx | 5 (26) |
| Hypopharynx | 1 (5) |
| Larynx | 5 (26) |
| Parotid gland | 2 (11) |
| Thyroid | 2 (11) |