Table 2. Results of univariate and multivariate analyses of postoperative patients’ survival by Cox’s proportional hazard model.
| Varieties | n | Univariate analysis | Multivariate analysis | ||||
| HR | 95% CI | p value | HR | 95% CI | p value | ||
| Age (≤60 or > 60 years) | 44/73 | 0.796 | 0.503–1.259 | 0.330 | |||
| Gender (Male/Female) | 90/27 | 0.902 | 0.540–1.507 | 0.694 | |||
| Size of tumor (≤5 or > 5 cm) | 79/38 | 0.356 | 0.226–0.560 | <0.001* | 0.795 | 0.464–1.361 | 0.402 |
| Depth of tumor invasion (T1–2/T3–4) | 31/86 | 0.241 | 0.137–0.421 | <0.001* | 0.429 | 0.211–0.873 | 0.020 |
| Lymph node metastasis (negative/positive) | 49/68 | 0.271 | 0.168–0.437 | <0.001* | 0.498 | 0.233–1.064 | 0.072 |
| Degree of differentiation (moderate-well/poor) | 59/58 | 0.576 | 0.374–0.887 | 0.012* | 0.81 | 0.503–1.304 | 0.385 |
| Venous invasion (negative/positive) | 78/39 | 0.384 | 0.247–0.597 | <0.001* | 0.725 | 0.429–1.226 | 0.231 |
| Neural invasion (negative/positive) | 78/39 | 0.466 | 0.297–0.729 | 0.001* | 1.182 | 0.691–2.023 | 0.541 |
| TNM staging (I–II/III–IV) | 62/55 | 0.243 | 0.153–0.385 | <0.001* | 0.832 | 0.394–1.759 | 0.631 |
| AKR1B10 expression (negative/positive) | 70/47 | 2.401 | 1.504–3.832 | <0.001* | 1.161 | 0.673–2.004 | 0.591 |
*P < 0.05.