Table 2 Multivariable Cox Regression Analyses of Risk Factors for Disease-free Survival
Multivariate Analysis | |||
|---|---|---|---|
HR | 95%CI | p value | |
Age, ≥65 | – | – | 0.381 |
Tumor size, mm | 1.014 | 1.000-1.028 | 0.048 |
Female | – | – | 0.934 |
ECOG PS, score 1 | – | – | 0.157 |
Surgical approach, robot | 0.541 | 0.314-0.932 | 0.027 |
Lymphovascular invasion, yes | – | – | 0.226 |
Histology, undifferentiated | – | – | 0.354 |
pT stage | |||
T1 | 1.000 | ||
T2-4 | 3.524 | 1.035-11.997 | 0.044 |
pN stage | |||
N0 | 1.000 | ||
N+ | 5.576 | 1.940-16.023 | 0.001 |
Adjuvant chemotherapy, yes | – | – | 0.502 |
