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Table 1 Clinicopathologic factors of lung adenocarcinomas in this study

From: Unique microRNAs in lung adenocarcinoma groups according to major TKI sensitive EGFR mutation status

Parameter

Exon 19 mutation

Exon 21 mutation

Wild type

Age at diagnosis

62.65

64.90

69.75

Sex

   

 Male

15

17

6

 Female

23

23

6

T stage

   

 1a

14

20

7

 1b

8

12

2

 2a

14

2

3

 2b

1

1

0

 3

1

5

0

 4

0

0

0

N stage

   

 0

31

35

10

 1

3

3

2

 2

4

2

0

M stage

   

 0

38

38

11

 1

0

2

1

Stage

   

 IA

19

20

7

 IB

10

12

2

 IIA

5

2

3

 IIB

0

1

0

 IIIA

4

5

0

 IIIB

0

0

0

Pleural invasion

   

 PL0

33

35

10

 PL1

4

4

2

 PL2

0

0

0

 PL3

1

1

0

LVIa

   

 No

30

35

10

 Yes

8

5

2

Growth pattern

   

 Lepidic

19

25

5

 Acinar, papillary

15

12

7

 Solid, Micropapillary

4

3

0

Micropapillary growth pattern

   

 No

32

39

11

 Yes

6

1

1

Smoking

   

 Never

31

35

10

 Ever

3

3

2

 Current

4

2

0

Smoking (PYb)

14.8

9.6

23.9

Follow-up (months)

27.1

20.1

21.5

  1. aLVI (lymphovascular invasion)
  2. bPY(pack year)