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 % | 8.87Â % | 9.27Â % | Â |
15–16 | 3 | 5.84 % | 5.58 % | 5.61 % |  | |
1 | 20 | 16 | 8.35Â % | 6.02Â % | 6.62Â % | Focal background staining, artifact |
8–15 | 3 | 4.80 % | 3.24 % | 3.67 % | Artifact | |
2 | 20 | 7 | 4.14Â % | 3.02Â % | 3.17Â % | Focal background staining, blurred, alterations of the structure, e.g. coagulation |
8–13 | 3 | 5.72 % | 4.89 % | 6.91 % | Artifact | |
3 | 20 | 10 | 3.48Â % | 2.67Â % | 2.70 % | Artifact |
12–14 | 3 | 3.54 % | 1.63 % | 1.52 % | Artifact | |
2 | 20 | 1 | 17.19Â % | 6.12Â % | 5.83Â % | Artifact |
4 | 20 | 1 | 5.85Â % | 5.11Â % | 6.15Â % | Stained vessels |
5 | 20 | 2 | 4.58Â % | 3.51Â % | 4.72Â % | Hemorrhages |
6 | 20 | 1 | 6.01Â % | 4.47Â % | 4.86Â % | Stained vessels |
9 | 20 | 1 | 10.49Â % | 5.68Â % | 5.92Â % | Focal background staining, alterations of the structure, e.g. coagulation, other artifacts |
12 | 20 | 1 | 3.89Â % | 2.40Â % | 2.89Â % | Stained vessels |