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Table 3 Relationship between EGFR genetic mutation and clinicopathological features in patients of Uighur ethnic group

From: Epidermal growth factor receptor gene mutations in patients with lung adenocarcinoma differ by frequency and type between Uighur and Han ethnic groups in Xinjiang Autonomous Region

Characteristics

 

EGFR

  
 

Mutations

Wild

χ 2

P

Sex

Male

7

42

0.235

0.628

 

Female

5

22

 

Age

≤65

8

41

0.09

0.764

 

>65

4

25

 

Smoking

Yes

3

38

4.806

0.028

 

No*

9

26

 

pTNM stage

≤IIIa

3

15

0.014

0.907

 

>IIIa

9

49

 

Tumor differentiation

Well-differentiated

10

36

3.102

0.078

 

Poorly differentiated

2

28

  1. *No smoking is defined as: previous total amount of smoking fewer than 100 cigarettes.