Table 2.

Univariate and multivariate Cox regression analysis for disease-free survival (n = 173).

		Univariate analysis		Multivariate analysis
		HR (95% CI)	P	HR (95% CI)	P
Age (years)	>65/⩽65	0.985 (0.538-1.806)	0.962	/	/
Sex	Male/female	1.598 (0.861-2.965)	0.137	/	/
CEA (ng/mL)	>5/⩽5	2.605 (1.430-4.746)	0.002	1.488 (0.773-2.864)	0.234
CA199 (U/mL)	>37/⩽37	4.453 (2.344-8.458)	<0.000	3.313 (1.685-3.673)	0.001
Tumor location	Left-side/right-side	0.995 (0.519-1.908)	0.988	/	/
Tumor size (cm)	>5.0/⩽5.0	2.062 (1.075-3.953)	0.029	0.992 (0.473-2.080)	0.983
Histological type	Mucinous/adenocarcinoma	0.624 (0.277-1.402)	0.253	/	/
Primary differentiation	Poor/well	1.997 (1.089-3.661)	0.025	1.551 (0.829-2.902)	0.17
T-stage	T3-4/T1-2	4.222 (1.508-11.817	0.006	2.653 (0.824-8.542)	0.102
N-stage	N1-2/N0	2.442 (1.341-4.449)	0.004	1.891 (1.021-3.500)	0.043
YTHDC2 level	Low/high	1.807 (0.990-3.300)	0.054	1.996 (1.085-3.673)	0.026