Table 1. Demographic and clinical characteristics of the sample.
| Variable | n (%) |
|---|---|
| Sex (n = 31) | |
| Female | 17 (54.84) |
| Male | 14 (45.16) |
| Female-to-male ratio | 1.8–2.2 |
| Age (n = 31) | |
| Mean | 32.61 ± 5.21 |
| Range | 18–39 |
| Decades of life (n = 31) | |
| 10–19 | 1 (3.23) |
| 20–29 | 8 (25.80) |
| 30–39 | 22 (70.97) |
| Habits (n = 31) | |
| Alcohol | 1 (3.23) |
| Tobacco | 7 (22.58) |
| Alcohol and tobacco | 1 (3.23) |
| No alcohol and tobacco | 3 (9.67) |
| Not informed | 19 (61.29) |
| Anatomical location (n = 31) | |
| Dorsal tongue | 1 (3.23) |
| Lateral tongue | 9 (29.03) |
| Buccal mucosa | 8 (25.80) |
| Gingiva | 3 (9.68) |
| Soft palate | 1 (3.23) |
| Lip commissure | 1 (3.23) |
| Multiple sites | 8 (25.80) |
| Appearance (n = 31) | |
| Homogeneous | 13 (41.94) |
| Non-homogeneous | 8 (25.80) |
| Not informed | 10 (32.26) |
| Size (n = 23) | |
| Mean | 1.47 (± 0.99) |
| Range | 0,2-3,0 |
| Time of disease progression (n = 8) | |
| Mean | 64.37 (± 65.90) |
| Range | 1–180 |
| Histopathological diagnosis (n = 31) | |
| Acanthosis and/or hyperkeratosis | 20 (64.52) |
| Mild dysplasia | 8 (25.80) |
| Moderate dysplasia | 2 (6.45) |
| Severe dysplasia | 1 (3.23) |