Table 2. Univariate and multivariate Cox proportional hazards for relapse free survival.

Variable	Univariate analysis	Multivariate analysis
Age (ref: yRC)	P=0.029, HR 2.791, 95% CI: 1.113–6.999	P=0.062, HR 0.076, 95% CI: 0.005–1.139
Gender (ref: male)	P=0.021, HR 2.592, 95% CI: 1.152–5.830	P=0.05, HR 19.5, 95% CI: 2.43–156.34
Lack of adjuvant chemotherapy	P=0.001, HR 4.087, 95% CI: 1.723–9.693	P=0.021, HR 14.065, 95% CI: 1.495–132.33
ECOG	P=0.422	P=0.362
Histopathology (ref: adenocarcinoma)	P=0.141	P=0.072
LVI	P=0.123	P=0.870
PNI	P=0.146	P=0.138
MMR	P=0.118	P=0.941