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Table 1 Correlation between CALM1 and EGFR expression and clinicopathologic characteristics in 84 cases of ESCC

From: CALM1 promotes progression and dampens chemosensitivity to EGFR inhibitor in esophageal squamous cell carcinoma

Characteristics

CALM1 expression

χ2

P Value

EGFR expression

χ2

P Value

High

Low

High

Low

Type

 ESCC

68

16

27.327

0.000

65

19

26.565

0.000

 NAT

35

49

  

32

52

  

Gender

 Male

50

11

0.149

0.758

50

11

2.677

0.102

 Female

18

5

  

15

8

  

Age (y)

  ≤ 60

25

5

0.172

0.778

23

7

0.014

0.556

  > 60

43

11

  

42

12

  

Tumor diameter (cm)

  < 5

46

12

0.328

0.766

45

13

0.005

1.000

  ≥ 5

22

4

  

20

6

  

Clinical stage

 I

19

11

9.395

0.004

18

12

8.005

0.007

 II – III

49

5

  

47

7

  

T classification

 T1 – T2

23

7

0.556

0.564

22

8

0.437

0.345

 T3 –T4

45

9

  

43

11

  

Lymph node metastasis

 N0

46

9

0.744

0.397

41

14

0.732

0.584

 N1–N3

22

7

  

24

5