Table 2.
Multivariable Cox regression analysis of disease-free survival and overall survival.
| Variables | Disease-free survival | Overall survival | |||
|---|---|---|---|---|---|
| HR (95% CI) | p value | HR (95% CI) | p value | ||
| PSMD1 (high vs. low) | 1.603 (1.131-2.271) | 0.008 | 1.584 (1.096-2.289) | 0.014 | |
| Depth of invasion | <0.001 | 0.003 | |||
| T1 | Reference | Reference | |||
| T2 | 2.172(0.815-5.785) | 0.121 | 5.172(1.203-22.23) | 0.027 | |
| T3 | 0.907 (0.274-3.006) | 0.874 | 2.187 (0.437-10.94) | 0.341 | |
| T4a | 1.811 (0.719-4.559) | 0.208 | 4.255 (1.029-17.59) | 0.046 | |
| T4b | 4.166 (1.573-11.034) | 0.004 | 7.048 (1.645-30.19) | 0.009 | |
| Lymph node metastasis | 0.002 | 0.036 | |||
| N0 | Reference | Reference | |||
| N1 | 1.559 (0.895-2.716) | 0.117 | 1.558 (0.865-2.805) | 0.140 | |
| N2 | 1.933 (1.130-3.306) | 0.016 | 1.743 (0.982-3.094) | 0.058 | |
| N3a | 2.622 (1.470-4.678) | 0.001 | 2.293 (1.240-4.241) | 0.008 | |
| N3b | 3.282 (1.698-6.343) | 0.0004 | 2.796 (1.373-5.694) | 0.005 | |
| Metastasis (M1 vs. M0) | 2.537 (1.562-4.121) | 0.0002 | 2.028 (1.198-3.434) | 0.008 | |