Table 1.
Univariate and multivariate Cox proportional hazards analysis of clinicopathological factors for OS and RFS
VariablesOSRFS
HR (95.0% CI)PHR (95.0% CI)P
Univariate analysis 
Age 0.932 (0.570–1.524) 0.780 0.805 (0.508–1.275) 0.355 
Sex 1.398 (0.855–2.287) 0.182 1.335 (0.842–2.114) 0.219 
Histological grade 1.772 (1.058–2.969) 0.030a 1.621 (1.001–2.627) 0.05 
Tumor size 1.133 (0.688–1.868) 0.624 1.058 (0.664–1.684) 0.813 
pTNM stage 2.174 (1.153–4.100) 0.016a 2.462 (1.363–4.447) 0.003a 
LN metastasis 1.417 (0.768–2.612) 0.265 1.440 (0.816–2.543) 0.209 
EHF expression 0.257 (0.134–0.492) 0.000a 0.293 (0.162–0.532) 0.000a 
CD8 0.561 (0.324–0.972) 0.039a 0.676 (0.411–1.114) 0.124 
T reg cell 1.742 (1.061–2.862) 0.028a 1.520 (0.956–2.417) 0.077 
MDSC 1.906 (1.088–3.339) 0.024a 1.897 (1.126–3.195) 0.016a 
Multivariate analysis 
pTNM stage 1.977 (1.041–3.754) 0.037a 2.344 (1.292–4.255) 0.005a 
EHF expression 0.267 (0.139–0.514) 0.000a 0.338 (0.184–0.623) 0.001a 
VariablesOSRFS
HR (95.0% CI)PHR (95.0% CI)P
Univariate analysis 
Age 0.932 (0.570–1.524) 0.780 0.805 (0.508–1.275) 0.355 
Sex 1.398 (0.855–2.287) 0.182 1.335 (0.842–2.114) 0.219 
Histological grade 1.772 (1.058–2.969) 0.030a 1.621 (1.001–2.627) 0.05 
Tumor size 1.133 (0.688–1.868) 0.624 1.058 (0.664–1.684) 0.813 
pTNM stage 2.174 (1.153–4.100) 0.016a 2.462 (1.363–4.447) 0.003a 
LN metastasis 1.417 (0.768–2.612) 0.265 1.440 (0.816–2.543) 0.209 
EHF expression 0.257 (0.134–0.492) 0.000a 0.293 (0.162–0.532) 0.000a 
CD8 0.561 (0.324–0.972) 0.039a 0.676 (0.411–1.114) 0.124 
T reg cell 1.742 (1.061–2.862) 0.028a 1.520 (0.956–2.417) 0.077 
MDSC 1.906 (1.088–3.339) 0.024a 1.897 (1.126–3.195) 0.016a 
Multivariate analysis 
pTNM stage 1.977 (1.041–3.754) 0.037a 2.344 (1.292–4.255) 0.005a 
EHF expression 0.267 (0.139–0.514) 0.000a 0.338 (0.184–0.623) 0.001a 

Data were based on tissue IF assay. Multivariate Cox proportional hazards analysis used backward selection model. HR, hazard ratio; CI, confidence interval.

a

Statistically significant (P < 0.05).

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