Table 5. Association between tobacco, alcohol use and the presence of mucosal lesions.
| Variable | Lesions Present (n=124) | Lesions Absent (n=376) | p-value |
| Tobacco use | 102 (82.2%) | 188 (50%) | <0.001 |
| Alcohol use | 52 (41.9%) | 98 (26%) | 0.02 |
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