Table 3 Cox regression analysis of risk factors for oral leukoplakia transformation
From: Malignant transformation of oral leukoplakia: a retrospective cohort study of 218 Chinese patients
Characteristic | Hazard Ratio (95%CI) | P-value |
|---|---|---|
Age, y | Â | Â |
   < 60 | 1.00 |  |
   >= 60 | 1.87 (0.92-3.80) | 0.086 |
Gender | Â | Â |
   Female | 1.00 |  |
   Male | 0.56 (0.29-1.08) | 0.084 |
Site | Â | Â |
   Other sites | 1.00 |  |
   Tongue | 1.97 (0.99-3.93) | 0.053 |
Diet habit | Â | Â |
   Bland | 1.00 |  |
   Spicy | 0.41 (0.10-1.70) | 0.217 |
Smoking | Â | Â |
   Never | 1.00 |  |
   Past and present | 0.60 (0.26-1.36) | 0.222 |
Ethanol intake | Â | Â |
   Never | 1.00 |  |
   Past and present | 1.19 (0.42-3.37) | 0.075 |
Epithelial dysplasia | Â | Â |
   Low-risk | 1.00 |  |
   High-risk | 4.57 (2.36-8.84) | < 0.001 |