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 |