Table 2.

Univariate analysis

	Favorable	Unfavorable	Hazard ratio	p Value	95.0% confidence interval
					Lower	Upper
Age	≤65	>65	0.771	0.225	0.495	1.169
Gender	Fenale	Male	0.34	<0.001	0.219	0.513
Smoking	Never	Current/Former	0.348	<0.001	0.222	0.529
Histology	Adeno	Others	0.284	<0.001	0.193	0.42
pT status	pT1	pT2-3	0.399	<0.001	0.272	0.585
pN status	pN0	pN1-2	0.361	<0.001	0.238	0.563
CEA	Normal	High	0.378	<0.001	0.254	0.566
BMI	Others	Low	0.347	<0.001	0.23	0.539
	High	Others	0.489	0.002	0.289	0.785

CEA, carcinoembryonic antigen; BMI, body mass index