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Table 4 Relationship between miR-7 expression and clinicopathological characteristics in SCLC patients

From: Upregulation of the inwardly rectifying potassium channel Kir2.1 (KCNJ2) modulates multidrug resistance of small-cell lung cancer under the regulation of miR-7 and the Ras/MAPK pathway

Characteristics

Total

MiR-7 expression

χ 2

P value

  

-

+

  

Gender

   

0.134

0.714

Male

43

22

21

  

Female

9

4

5

  

Age

   

0.115

0.734

<55†

11

6

5

  

≥55

41

20

21

  

Stage

   

6.240

0.012

Limited disease

25

8

17

  

Extensive disease

27

18

9

  

Drug-sensitivity

   

3.733

0.053

Sensitive group

25

10

15

  

Resistant group

22

15

7

  

Kir2.1

   

13.175

<0.001

Negative

29

8

21

  

Positive

23

18

5

  

ABCC1

   

9.321

0.002

Negative

25

7

18

  

Positive

27

19

8

  
  1. †median age.
  2. -, low expression; +, high expression.
  3. The P-value was calculated by χ 2 test.
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Molecular Cancer

ISSN: 1476-4598