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Cox regression analysis of factors influencing the prognosis
| Factors | β | S.E. | Wald χ2 value | P | 95% CI |
|---|---|---|---|---|---|
| Lesion diameter (cm) | 1.599 | 0.698 | 4.010 | 0.029 | 5.012 |
| Number of dissected lymph nodes | -4.976 | 1.120 | 10.392 | 0.111 | 0.031 |
| Differentiation degree of tumor cells | 2.165 | 0.594 | 8.677 | 0.037 | 8.420 |
