Table 5.
Pairwise correlations between the reference values, visual estimates and digital image analysis results (Pearson’s coefficients, P <0.0001, n = 164)
| Measurement | Ki67-count | Ki67-DIA-2 | Ki67-DIA-1 | Ki67-DIA-0 | Visual median | Ki67-VE-1 | Ki67-VE-2 | Ki67-VE-3 | Ki67-VE-4 |
|---|---|---|---|---|---|---|---|---|---|
| Ki67-DIA-2 |
0.949 |
|
|
|
|
|
|
|
|
| Ki67-DIA-1 |
0.945 |
0.989 |
|
|
|
|
|
|
|
| Ki67-DIA-0 |
0.928 |
0.974 |
0.976 |
|
|
|
|
|
|
| Ki67-VE-median |
0.930 |
0.940 |
0.946 |
0.927 |
|
|
|
|
|
| Ki67-VE-1 |
0.861 |
0.917 |
0.921 |
0.925 |
0.891 |
|
|
|
|
| Ki67-VE-2 |
0.905 |
0.905 |
0.915 |
0.886 |
0.955 |
0.829 |
|
|
|
| Ki67-VE-3 |
0.921 |
0.921 |
0.931 |
0.900 |
0.969 |
0.857 |
0.972 |
|
|
| Ki67-VE-4 |
0.887 |
0.894 |
0.895 |
0.884 |
0.936 |
0.857 |
0.881 |
0.901 |
|
| Ki67-VE-5 | 0.842 | 0.869 | 0.872 | 0.860 | 0.916 | 0.822 | 0.853 | 0.872 | 0.829 |
DIA, digital image analysis; VE, visual estimate.