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Table 2 Immunohistochemistry results from all subjects in each group

From: Immunohistochemistry comparing endoscopic vein harvesting vs. open vein harvesting on saphenous vein endothelium

Variable

EVH

OVH

P value

 

(n = 30)

(n = 17)

 
 

Distal

±

23(76.7)

12(70.6)

0.646

P* = 0.513

 

+

7(23.3)

5(29.4)

P** = 0.882

  

±

21(77.8)

8(53.3)

 

eNOS

Medial

+

5(18.5)

7(46.7)

0.131

  

++

1(3.7)

0(0.0)

 
 

Proximal

±

22(73.3)

12(70.6)

0.840

 

+

8(26.7)

5(29.4)

 

Caveolin

Distal

±

22(73.3)

12(70.6)

0.840

P* = 0.779

+

8(26.7)

5(29.4)

P** = 0.180

 

±

16(59.3)

12(80.0)

 

Medial

+

10(37.0)

3(20.0)

0.353

 

++

1(3.7)

0(0.0)

 
 

±

21(70.0)

14(82.4)

 

Proximal

+

8(26.7)

3(17.6)

0.558

  

++

1(3.3)

0(0.0)

  

E- Cadherin

Distal

±

21(70.0)

14(82.4)

0.351

P* = 0.097

+

9(30.0)

3(17.6)

P** = 0.509

 

-

1(3.7)

0(0.0)

 

Medial

±

14(51.9)

10(71.4)

0.424

 

+

12(44.4)

4(28.6)

 
 

±

20(66.7)

13(76.5)

 

Proximal

+

9(30.0)

4(23.5)

0.644

  

++

1(3.3)

0(0.0)

  
  

±

2(6.7)

1(5.9)

 

P* = 0.368

 

Distal

+

27(90.0)

16(94.1)

0.742

P** = 0.417

  

++

1(3.3)

0(0.0)

  
  

±

3(10.7)

1(7.1)

  

vWF

Medial

+

21(75.0)

12(85.7)

0.718

 
  

++

4(14.3)

1(7.1)

  
  

±

3(10.0)

3(17.6)

  
 

Proximal

+

23(76.7)

13(76.5)

0.588

 
  

++

4(13.3)

1(5.9)

  
  1. Date are shown as Number (percent).
  2. NOS: nitric oxide synthase, vWF: Von Willebrand factor.
  3. P*: P value of Friedman test for comparing distal, medial, and proximal sample within group of OVH.
  4. P**: P value of Friedman test for comparing distal, medial, and proximal sample within group of EVH.