Table 3 Multivariate analysis of factors influencing OS, CSS and DFS

Stage (I ~ IV)

1.539 (0.945 ~ 2.508)

0.083

1.370 (0.795 ~ 2.362)

0.257

1.982 (1.232 ~ 3.188)

0.005

Lymph nodes metastasis (Yes VS No)

4.543 (1.786 ~ 11.556)

0.001

5.770 (2.156 ~ 15.443)

<0.001

4.474 (1.817 ~ 11.017)

0.001

Concurrent chemotherapy(Yes VS No)

3.223 (1.172 ~ 8.860)

0.023

3.967 (1.131 ~ 13.908)

0.031

2.565 (1.023 ~ 6.430)

0.045