Research Article
A Survey of Brazilian Patients with Oral Lichen Planus Showing No Evidence of Malignancy
Table 1
Clinical profile and risk habits (smoking and alcohol consumption) in patients with oral lichen planus (OLP) and oral squamous cell carcinoma (OSCC).
| | Patients | OLP (n = 370) | OSCC (n = 154) | Male (%) | Female (%) | Total (%) | Male (%) | Female (%) | Total (%) |
| Number | 93 (25.1) | 277 (74.8) | 370 (100) | 109 (70.8) | 45 (29.2) | 154 (100) | Mean age (range) (years) | 53.2 (36–74) | 54.1 (25–95) | 54.8 (25–95) | 58.5 (30–97) | 66.1 (39–91) | 60. 4 (30–97) |
| Race | White | 67 (72.0) | 212 (76.4) | 279 (75.4) | 74 (67.9) | 33 (73.3) | 107 (69.5) | Non-White | 26 (28.0) | 65 (23.5) | 91 (24.6) | 35 (32.1) | 12 (26.6) | 47 (30.5) |
| History of disease | Hypertension | 22 (23.6) | 79 (28.5) | 101 (27.3) | 28 (25.6) | 13 (28.8) | 41 (26.6) | Diabetes | 20 (21.5) | 48 (17.3) | 68 (18.3) | 16 (14.6) | 6 (13.3) | 22 (14.2) | Hypothyroidism | 1 (1.0) | 32 (11.5) | 33 (8.9) | – | 4 (8.8) | 4 (2.5) | Hepatitis B | 6 (6.4) | 9 (3.2) | 15 (4.0) | 4 (3.6) | 1 (2.2) | 5 (3.2) | Hepatitis C | 2 (2.1) | 5 (1.8) | 7 (1.8) | 1 (0.9) | 2 (4.4) | 2 (1.9) | Anemia history | 3 (3.2) | 36 (13.0) | 39 (10.5) | 6 (5.5) | 5 (11.1) | 11 (7.1) | Allergy | 5 (5.3) | 41 (14.8) | 46 (12.4) | 7 (6.4) | 6 (13.3) | 13 (8.4) | Autoimmune disease | – | 5 (1.8) | 5 (1.3) | – | 2 (4.4) | 2 (1.2) | Use of immunosuppressor medication | – | 3 (1.0) | 3 (0.8) | – | 2 (4.4) | 2 (1.2) |
| Habits | No habits | 58 (62.3) | 206 (74.4) | 264 (71.3) | 33 (30.3) | 28 (62.2) | 61 (39.6) | Either smoking or drinking | 35 (37.6) | 71 (25.6)† | 106 (28.6) | 76 (69.7) | 17 (37.7)† | 93 (60.4) | Smokers | 13 (14.0) | 30 (10.8) | 43 (11.6) | 34 (31.2) | 12 (26.6) | 46 (29.9) | Drinkers | 15 (16.1) | 35 (12.6) | 50 (13.5) | 5 (4.6) | – | 5 (3.2) | Smoker and drinker | 7 (7.5) | 6 (2.1) | 13 (3.5) | 37 (33.9) | 5 (11.1) | 42 (27.3) |
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Significant value = 0.001. Significant value = 0.0001. †Nonsignificant value = 0.12. |