| Univariate analysis | Multivariate analysis | ||||||
---|---|---|---|---|---|---|---|---|
HR | 95.0% CI | P value | HR | 95.0% CI | P value | |||
 |  | Lower | Upper |  |  | Lower | Upper |  |
Size (≤ 6 cm vs. > 6 cm) | 1.816 | 1.429 | 2.309 | .000 | 1.327 | 1.039 | 1.696 | .024 |
TNM (I/II vs. III) | 4.214 | 3.292 | 5.393 | .000 | 3.416 | 2.637 | 4.424 | .000 |
Differentiation (high/moderate vs. low/undifferentiated) | 1.876 | 1.509 | 2.332 | .000 | 1.565 | 1.249 | 1.960 | .000 |
Nerve invasion (negative vs. positive) | 2.070 | 1.421 | 3.015 | .000 | 1.353 | .910 | 2.011 | .135 |
Lymphovascular invasion (negative vs. positive) | 2.664 | 1.770 | 4.011 | .000 | 1.931 | 1.258 | 2.964 | .003 |
PCNA (negative vs. positive) | 1.794 | 1.174 | 2.742 | 0.007 | 1.695 | 1.098 | 2.617 | .017 |
P53 (negative vs. positive) | 1.277 | 1.024 | 1.593 | 0.03 | 1.046 | .835 | 1.310 | .695 |
SLC38A1 (negative vs. positive) | 1.191 | 1.065 | 1.332 | 0.002 | 1.122 | 1.001 | 1.258 | .041 |