Wild type

Mutant EGFR

p value

Age

<65

10

19

0.8334

≥65

20

42

Sex

Male

2

3

0.7308

Female

28

58

pStage

I

19

52

0.0176

II - III

11

9

pT sttatus

pT1

20

46

0.3797

pN1 - 2

10

15

pN status

pN0

22

52

0.1705

pN1 - 2

8

9

CEA

Normal

24

47

0.7493

High

6

14

Histology

Lepidic dominant

8

30

0.0406

Others

22

31

CT findings

Pure/mixed GGO

11

39

0.014

Solid

19

22