Skip to main content

Table 1 The results of Ki-67 evaluation grouped according to their range and no of hot-spot fields

From: Content-based analysis of Ki-67 stained meningioma specimens for automatic hot-spot selection

   

Ki-67 index

 

System: no of artifacts

FOV per case

No of cases

System

Expert A

Expert B

Remarks

0

20

52

10.25 %

8.87 %

9.27 %

 

15–16

3

5.84 %

5.58 %

5.61 %

 

1

20

16

8.35 %

6.02 %

6.62 %

Focal background staining, artifact

8–15

3

4.80 %

3.24 %

3.67 %

Artifact

2

20

7

4.14 %

3.02 %

3.17 %

Focal background staining, blurred, alterations of the structure, e.g. coagulation

8–13

3

5.72 %

4.89 %

6.91 %

Artifact

3

20

10

3.48 %

2.67 %

2.70 %

Artifact

12–14

3

3.54 %

1.63 %

1.52 %

Artifact

2

20

1

17.19 %

6.12 %

5.83 %

Artifact

4

20

1

5.85 %

5.11 %

6.15 %

Stained vessels

5

20

2

4.58 %

3.51 %

4.72 %

Hemorrhages

6

20

1

6.01 %

4.47 %

4.86 %

Stained vessels

9

20

1

10.49 %

5.68 %

5.92 %

Focal background staining, alterations of the structure, e.g. coagulation, other artifacts

12

20

1

3.89 %

2.40 %

2.89 %

Stained vessels