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| Characteristics | No. (%) | ||
|---|---|---|---|
| Training set | Validation set | Test set | |
| Participants | |||
| Total | 4362 (100) | 280 (100 | 418 (100) |
| Normal | 4109 (94.2) | 200 (71.4) | 300 (71.8) |
| Actionable | 178 (4.1) | 40 (14.3) | 60 (14.4) |
| Benign | 62 (1.4) | 20 (7.1) | 30 (7.2) |
| Cancer | 39 (0.9) | 20 (7.1) | 30 (7.2) |
| Total DBT volumes, No. | 19 148 | 1163 | 1721 |
| Bounding boxes for biopsied lesions, No. | 224 | 75 | 136 |
Abbreviation: DBT, digital breast tomosynthesis.
