Table 3.
Composition of the database including H&E color variations. Color variations are collected from several heterogeneous sources to represent the variability in clinical practice. From each center the variations are filtered, to avoid the possible introduction of biases due to the repetition of the same variation in the database.
| Source | Number H&E matrices | Number WSIs | Number patches | Number medical centers |
|---|---|---|---|---|
| TCGA | 646 332 | 951 | 2 835 516 | 123 |
| ExaMode40,54 | 985 147 | 5390 | 3 983 025 | 2 |
| Camelyon53 | 219 743 | 454 | 520 660 | 4 |
| Puerta del Mar | 132 863 | 138 | 272 276 | 1 |
| Clinic | 50 871 | 225 | 114 725 | 1 |
| CAD64 | 71 495 | 1085 | 350 407 | 1 |
| Total | 2 106 451 | 8243 | 8 076 609 | 132 |