Table 1 Summary of demographic, clinical and virologic characteristics of the study population

Mean age ± SD

68.6 ± 13.4

46.7 ± 12

44.1 ± 14.9

Gender (male/female)

13/10 (56.5%/43.5%)

11/18 (37.9%/62.1%)

11/25 (30.5%/69.5%)

Anatomical localization of Lesions

 Buccal Mucosa

6 (15.4%)

20 (51.3%)

13 (33.3%)

 Floor of Mouth

1 (100%)

0

0

 Gingiva & alveolar mucosa

8 (61.5%)

2 (15.5%)

3 (23%)

 Labial mucosa

2 (20%)

2 (20%)

6 (60%)

 Palate

1 (25%)

1 (25%)

2 (50%)

 Tongue

4 (36.4%)

2 (18.2%)

5 (45.5%)

Tumor grade

 I

11 (47.8%)

–

–

 II

7 (30.4%)

–

–

 III

3 (13.1%)

–

–

Unknown

2 (8.7%)

–

–

EBV (positive/negative)

6/17 (26.1%/73.9%)

6/23 (20.7%/79.3%)

3/33 (8.4%/91.6%)

Mean EBV Viral Load copies per cell

1.2 × 10⁻² ± 1.3 × 10⁻²

2.2 × 10⁻³ ± 2.6 × 10⁻³

2.4 × 10⁻⁴ ± 2.0 × 10⁻⁴