Variable

Coefficient (β)

Standard error

Significance level, p

OR

95% CI

Tumor size, cm

0.14

0.06

0.021

1.16

1.06 - 1.76

Histological form

−0.79

0.24

<0.001

0.45

0.04 - 0.29

Volume of surgical intervention

1.16

0.29

<0.001

3.19

3.13 - 24.95

Volume of conducted lymph node dissection

−1.21

0.32

<0.001

0.29

0.04 - 0.47

Ki-67 expression

0.64

0.28

0.020

1.91

1.62 - 10.69

EGFR expression

1.68

0.34

<0.001

5.40

2.03 - 16.25

E-cadherin expression

−1.07

0.29

<0.001

0.34

0.09 - 0.52