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Table 2 Whole tumour slide mean values of Ki-67 LI for two raters

From: Evaluation of the proliferation marker Ki-67 in gliomas: Interobserver variability and digital quantification

Digital quantification

 

%

0

5

10

15

20

25

30

40

50

60

Total (n)

Pathologist A

0

11

5

1

       

17

5

10

13

5

1

      

29

10

 

8

30

13

6

1

    

58

15

 

3

9

23

19

22

6

1

  

83

20

 

1

 

3

6

10

9

3

  

32

25

    

1

2

2

4

  

9

30

    

1

  

2

  

3

40

       

2

  

2

50

       

1

1

 

2

60

           

Total (n)

21

30

45

40

33

35

17

13

1

 

235

κ

 

0.26

SE κ

 

0.03

Pathologist B

0

15

5

1

       

21

5

6

22

24

1

1

     

54

10

 

3

18

19

14

3

3

   

60

15

  

2

19

12

16

4

1

  

54

20

   

1

6

13

5

3

  

28

25

     

3

2

4

  

9

30

      

3

4

  

7

40

       

1

  

1

50

           

60

        

1

 

1

Total (n)

21

30

45

40

33

35

17

13

1

 

235

κ

0.26

SE κ

0.03

  1. n Number of cases
  2. SE Standard error
  3. Cases marked in bold indicate agreement
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Diagnostic Pathology

ISSN: 1746-1596

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