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| Age | 10–19 | 20–29 | 30–39 | Total | |||
|---|---|---|---|---|---|---|---|
| Anatomical location | ♂ | ♀ | ♂ | ♀ | ♂ | ♀ | ♂ + ♀ |
| Dorsal tongue | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Lateral tongue | 0 | 0 | 0 | 4 | 2 | 3 | 9 |
| Buccal mucosa | 0 | 0 | 1 | 0 | 3 | 4 | 8 |
| Gingiva | 0 | 0 | 0 | 1 | 1 | 1 | 3 |
| Soft palate | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Lip commissure | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Multiple | 0 | 0 | 1 | 0 | 4 | 3 | 8 |
| Total | 1 | 0 | 2 | 6 | 11 | 11 | 31 |
p-value (sex and anatomical location) = 0.399 – Fisher’s exact test/ p-value (age and anatomical location) = 0.112 – Fisher’s exact test.
