Table 3.
Cox regression analysis for disease-free survival in OSCC patients.
| Free diseases survival | B | SE | Wald | df | P value | Exp(B) | 95%Exp(B) |
|
|---|---|---|---|---|---|---|---|---|
| upper limit | Lower limit | |||||||
| SAMMSON | 1.15 | 0.578 | 3.955 | 1 | 0.047 | 3.157 | 1.017 | 9.804 |
| Tumor differentiation | −0.895 | 0.435 | 0.3893 | 1 | 0.048 | 0.423 | 0.18 | 0.994 |
| TMN stages | −1.308 | 0.471 | 7.716 | 1 | 0.005 | 0.27 | 0.107 | 0.68 |
| Lymphatic metastasis | −1.114 | 0.422 | 0.119 | 1 | 0.021 | 1.723 | 0.622 | 0.784 |
| Distant metastasis | −1.13 | 0.392 | 0.693 | 1 | 0.048 | 0.638 | 0.783 | 0.998 |
| Cancer invasion depth (8 mm) | −1.193 | 0.369 | 0.272 | 1 | 0.602 | 0.825 | 0.4 | 1.701 |
| Tumor location | −0.011 | 0.169 | 0.004 | 1 | 0.948 | 0.989 | 0.771 | 1.367 |
| Tumor size | −0.003 | 0.188 | 0 | 1 | 0.988 | 0.997 | 0.96 | 1.44 |
| Sex | 0.004 | 0.016 | 0.074 | 1 | 0.785 | 1.004 | 0.973 | 1.0307 |
| Age | 0.455 | 0.382 | 1.415 | 1 | 0.234 | 1.576 | 0.745 | 3.332 |