Table 2.
Characteristics of the datasets.
| Training cohort | Normal dataset | ||||||
|---|---|---|---|---|---|---|---|
| Total | Fold 1 | Fold 2 | Fold 3 | Fold 4 | Fold 5 | ||
| No. of MRI scans | 113 | 22 | 23 | 22 | 23 | 23 | 100 |
| No. of slices | 6196 | 1205 | 1260 | 1206 | 1265 | 1260 | 5452 |
| No. of lesion | 585 | 163 | 171 | 68 | 105 | 78 | |
| No. of slices with lesion | 1055 | 279 | 175 | 165 | 234 | 202 | |
| Age [years] (mean ± std) | 65 ± 11.3 | 65.8 ± 12.1 | 68.6 ± 7.4 | 61.9 ± 16.4 | 64.6 ± 7.5 | 64.2 ± 9.7 | 68.3 ± 10.9 |
| Sex | |||||||
| Male | 70 | 14 | 16 | 15 | 13 | 12 | 66 |
| Female | 43 | 8 | 7 | 7 | 10 | 11 | 34 |
| Origin (per scan) | |||||||
| Lung | 83 | 15 | 22 | 16 | 18 | 12 | |
| Breast | 4 | 2 | 0 | 0 | 0 | 2 | |
| Melanoma | 6 | 3 | 0 | 1 | 0 | 2 | |
| Ovary | 1 | 0 | 0 | 0 | 1 | 0 | |
| Gastrointestinal | 7 | 1 | 1 | 2 | 1 | 2 | |
| Miscellaneous | 12 | 1 | 0 | 3 | 3 | 5 | |
MRI magnetic resonance imaging.