Table 3.
Characteristics of oral lichen planus (OLP) patients with malignant transformation (MT) to oral squamous cell carcinoma (OSCC).
| Variable | Subgroup | Value | |
|---|---|---|---|
| Age: mean | 74.91 | ||
| Gender: n (%) | Female | 4 (36.36) | |
| Male | 7 (63.64) | ||
| Tobacco status: n (%) | Non-smokers | 5 (45.45) | |
| Ex-smokers | 6 (54.55) | ||
| Smokers | 0 | ||
| Tobacco consumption amount (pack-years): n (%) | Ex-smokers | ≤20 pack-years | 3 (27.27) |
| >20 pack-years | 3 (27.27) | ||
| Smokers | ≤20 pack-years | 0 | |
| >20 pack-years | 0 | ||
| Alcohol status: n (%) | Non-alcohol-drinker patients | 7 (63.64) | |
| Alcohol-drinker patients | 4 (36.36) | ||
| Alcohol consumption status (drinks/week): n (%) | ≤7 drinks/week | 3 (27.27) | |
| >7 drinks/week | 1 (9.09) | ||
| Tobacco/alcohol consumption | Non-smokers/non-alcohol-drinker patients | 4 (36.36) | |
| Ex-Smokers/non-alcohol-drinker patients | 3 (27.27) | ||
| Smokers/non-alcohol-drinker patients | 0 | ||
| Non-smokers/alcohol-drinker patients | 1 (9.09) | ||
| Ex-Smokers/alcohol-drinker patients | 3 (27.27) | ||
| Smokers/alcohol-drinker patients | 0 | ||
| Medical history: n (%) | Diabetes mellitus | 1 (9.09) | |
| Hepatitis | 1 (9.09) | ||
| Solid or hematological tumor | 4 (36.36) | ||
| Hypertension | 5 (45.45) | ||
| Thyroid diseases | 1 (9.09) | ||
| Cutaneous lichen planus | 0 | ||
| Cardiological and hematological disorders | 2 (18.18) | ||
| Chemotherapy | 0 | ||
| Radiotherapy | 3 (27.27) | ||
| Clinical type: n (%) | White | 7 (63.64) | |
| Atrophic | 3 (27.27) | ||
| Erosive | 1 (9.09) | ||
| Site of lesions: n (%) | Buccal mucosa (C06.0) | 2 (18.18) | |
| Tongue (C02.3) | 5 (45.45) | ||
| Palate (C05.9) | 1 (9.09) | ||
| Gingiva (C03.0) | 1 (9.09) | ||
| Buccal mucosa (C06.0) and palate (C05.9) | 2 (18.18) | ||
| Degree of differentiation: n (%) | G1 | 5 (45.5) | |
| G2 | 6 (54.5) | ||
| G3 | 0 (0) | ||
| G4 | 0 (0) |