Table 2.
Summary of the clinical characteristics of the studied patients.
| Overall: 57 patients | EBV-negative: 10 patients | EBV-positive: 47 patients |
|---|---|---|
| Gender | Gender | Gender |
| Famale: 2 | Famale: 0 | Famale: 2 |
| Male: 55 | Male: 10 | Male: 45 |
| Ave. age | Ave. age | Ave. age |
| 49.4 years old | 53.1 years old | 48.6 years old |
| Multiplicity | Multiplicity | Multiplicity |
| Single primary tumor: 37 | Single primary tumor: 7 | Single primary tumor: 30 |
| Multiple primary tumor: 20 | Multiple primary tumor: 3 | Multiple primary tumor: 17 |
| Site of the primary cancer | Site of the primary cancer | Site of the primary cancer |
| Buccal mucosa: 29 | Buccal mucosa: 7 | Buccal mucosa: 22 |
| Gingiva: 9 | Gingiva: 1 | Gingiva: 8 |
| Lip: 1 | Lip: 0 | Lip: 1 |
| Mouth floor: 2 | Mouth floor: 1 | Mouth floor: 1 |
| Palate: 4 | Palate: 0 | Palate: 4 |
| Retromolar trigone: 2 | Retromolar trigone: 1 | Retromolar trigone: 1 |
| Tongue: 10 | Tongue: 0 | Tongue: 10 |
| Type | Type | Type |
| Deep invasive lesion: 9 | Deep invasive lesion: 2 | Deep invasive lesion: 7 |
| Exophytic lesion: 26 | Exophytic lesion: 2 | Exophytic lesion: 24 |
| Ulcerative lesion: 22 | Ulcerative lesion: 6 | Ulcerative lesion: 16 |