Table 4.

COX multivariate analysis of prognostic factors on overall survival

Variable	Hazards ratio	95% CI	P value
Age (years) a (<=45.4 vs. >45.4)	2.083	0.861-5.043	0.104
T stage (T1-T2 vs. T3-T4)	4.656	1.276-16.991	0.020
Relapse (No vs. Yes)	4.760	1.698-13.342	0.003
CAFs density (Low vs. High)	3.108	1.104-8.753	0.032

^a Mean age.