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Table 2 Correlations between SIRT1, VEGF-C, LVD and LVI

From: SIRT1 expression is associated with lymphangiogenesis, lymphovascular invasion and prognosis in pN0 esophageal squamous cell carcinoma

Variables

SIRT1

P

VEGF-C

P

LVD

P

LVI

P

Negative (n = 111)

Positive (n = 95)

Negative (n = 99)

Positive (n = 107)

Low (n = 123)

High (n = 83)

Negative (n = 135)

Positive (n = 71)

VEGF-C

  

0.015

  

-

      

  Negative

62

37

 

-

-

       

  Positive

49

58

 

-

-

       

LVD

  

0.013

  

0.005

  

-

   

  Low

75

48

 

69

54

 

-

-

    

  High

36

47

 

30

53

 

-

-

    

LVI

  

0.015

  

0.007

  

0.027

   

  Negative

81

54

 

74

61

 

88

47

 

-

-

-

  Positive

30

41

 

25

46

 

35

36

 

-

-

 
  1. LVD: lymphatic microvessel density.
  2. LVI: lymphovascular invasion.