Favorable

Unfavorable

Hazard ratio

95% CI

p Value

Age

<65

≥65

0.52

0.203 - 1207

0.13

Gender

Female

Male

0.58

0.194 - 1.443

0.26

Smoking

Never

Current/Former

0.58

0.168 - 1.527

0.29

Histology

Adenocarcinoma

Others

0.66

0.295 - 1.458

0.31

p Stage

I

II-III

0.52

0.229 - 1.278

0.15

pT status

pT1

pT2 - 3

0.43

0.195 - 0.970

0.04

pN status

pN0

pN1 - 2

0.51

0.205 - 1.544

0.21

CEA

Normal

High

0.21

0.084 - 0.486

<0.01

KL-6

Normal

High

0.53

0.237 - 1.181

0.12

SP-D

Normal

High

0.87

0.736 - 1.973

0.74