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Table 3 Expression of PTEN according to the three antibodies

From: In depth evaluation of the prognostic and predictive utility of PTEN immunohistochemistry in colorectal carcinomas: performance of three antibodies with emphasis on intracellular and intratumoral heterogeneity

DAKO

Neomarkers

Cell Signaling

  

Frequency

Valid Percent

 

Frequency

Valid Percent

 

Frequency

Valid Percent

Frequency

0

12

5.6

0

2

.8

0

7

3.0

1 = 0-1 %

13

6.0

1 = 0-1 %

3

1.3

1 = 0-1 %

4

1.7

2 = 2-10 %

12

5.6

2 = 2-10 %

27

11.4

2 = 2-10 %

2

.8

3 = 11-33 %

8

3.7

3 = 11-33 %

37

15.6

3 = 11-33 %

5

2.1

4 = 34-66 %

23

10.6

4 = 34-66 %

27

11.4

4 = 34-66 %

15

6.3

5 = 67-100 %

148

68.5

5 = 67-100 %

141

59.5

5 = 67-100 %

204

86.1

Total

216

100.0

Total

237

100.0

Total

237

100.0

Statistics

DAKO vs. NEOM

Value

p

NEOM vs. CELLS

Value

p

CELLS vs. DAKO

Value

p

Kappa

.067

.066

Kappa

.056

.066

Kappa

.264

.000

Chi-square

 

0.064

Chi-square

 

.286

Chi-square

 

.000

Intensity

0

12

5.6

0

2

.8

0

7

3.0

1 = +

158

73.1

1 = +

41

17.3

1 = +

146

61.6

2 = ++

29

13.4

2 = ++

61

25.7

2 = ++

33

13.9

3 = +++

17

7.9

3 = +++

133

56.1

3 = +++

51

21.5

Total

216

100.0

Total

237

100.0

Total

237

100.0

Statistics

DAKO vs. NEOM

Value

p

NEOM vs. CELLS

Value

p

CELLS vs. DAKO

Value

p

Kappa

.051

.051

Kappa

.082

.014

Kappa

.305

.000

Chi-square

 

.024

Chi-square

 

.260

Chi-square

 

.000

Location

0

11

5.0

0

2

.8

0

8

3.2

1 = nucl

5

2.3

1 = nucl

241

99.2

1 = nucl

2

.8

2 = cytop

44

19.9

2 = cytop

0

.0

2 = cytop

22

8.7

3 = nucl+cytop

161

72.9

3 = nucl+cytop

0

.0

3 = nucl+cytop

220

87.3

Total

221

100.0

Total

243

100.0

Total

252

100.0

Statistics

DAKO vs. NEOM

Value

p

NEOM vs. CELLS

Value

p

CELLS vs. DAKO

Value

p

Kappa

-.001

.712

Kappa

-.005

.000

Kappa

.390

.000

Chi-square

 

.480

Chi-square

 

.000

Chi-square

 

.000