Table 1 Distribution of demographic and acquisition parameters across the training, validation, and test sets
Characteristic | Training | Validation | Test | Total |
|---|---|---|---|---|
Total scans | 386 | 22 | 20 | 428 |
KL grade | ||||
KL 0 (healthy) | 116 | 7 | 6 | 129 |
KL 1-2 (mild) | 154 | 9 | 8 | 171 |
KL 3-4 (mod/sev) | 116 | 6 | 6 | 128 |
Acquisition site | ||||
Site A | 96 | 6 | 5 | 107 |
Site B | 96 | 6 | 5 | 107 |
Site C | 96 | 5 | 6 | 107 |
Site D | 98 | 5 | 4 | 107 |