Table 2. Model input data.
| Training | Testing | |||
|---|---|---|---|---|
| (n = 31) | (n = 16) | |||
| Tissue samples (n, %) | 213 | 117 | ||
| Samples per patient (mean, SD) | 6.9 (2.3) | 7.3 (1.9) | ||
| Annotated Tiles (n, %) | ATARI | ResNet101 | ATARI | ResNet101 |
| Atrophy | 3555 (38) | 30000 (24) | 1675 (38) | 72098 (57) |
| G3 | 990 (11) | 16000 (13) | 475 (11) | 14565 (11) |
| G4CG | 130 (1) | 5477 (4) | 60 (1) | 1078 (1) |
| G4NC | 515 (6) | 16482 (13) | 235 (5) | 5382 (4) |
| G5 | 75 (1) | 4118 (3) | 55 (1) | 236 (<1) |
| HGPIN | 285 (86) | 4785 (4) | 45 (1) | 610 (<1) |
| Seminal Vesicles | 435 (67) | 10456 (8) | 210 (5) | 5728 (5) |
| Unlabeled Benign Tissue | 3360 (67) | 20000 (16) | 1620 (37) | 13483 (11) |
| Background | 0 (0) | 20000 (16) | 0 (0) | 14027 (11) |
| Total | 9345 | 127319 | 4375 (32) | 127207 |
Breakdown of annotated image tiles used for the training and testing datasets for the two models.