Table 1. Descriptive Statistics of the Data Set Used for Training, Validation, and Testing.
| Characteristics | No. | ||
|---|---|---|---|
| Training set | Validation set | Test set | |
| Patients | |||
| Total | 4362 | 280 | 418 |
| Normal group, No. (%) | 4109 (94.2) | 200 (71.4) | 300 (71.8) |
| Actionable group, No. (%) | 178 (4.1) | 40 (14.2) | 60 (18.9) |
| Benign group, No. (%) | 62 (1.4) | 20 (7.1) | 30 (7.2) |
| Cancer group, No. (%) | 39 (0.9) | 20 (7.1) | 30 (7.2) |
| Studies | 4838 | 312 | 460 |
| Reconstruction volumes | 19 148 | 1163 | 1721 |
| Bounding boxes for cancerous lesions | 87 | 37 | 66 |
| Bounding boxes for benign lesions | 137 | 38 | 70 |
| Bounding box diagonal, mean (SD), pixels | 344 (195) | 307 (157) | 317 (166) |