TABLE 1.
Number of enrolled patients in training, validation, and test sets according to brand and the presence of cross‐links.
| Spinal pedicle | Enrolled patients | |||||
|---|---|---|---|---|---|---|
| Screw systems | Number of patients | Training | Validation | Test | ||
| A‐Spine (EVO) | 87 | With CL | 44 | 28 | 6 | 10 |
| Without CL | 43 | 27 | 8 | 8 | ||
| Armstrong | 85 | With CL | 48 | 32 | 7 | 9 |
| Without CL | 37 | 22 | 7 | 8 | ||
| CDH | 84 | With CL | 63 | 38 | 12 | 13 |
| Without CL | 21 | 17 | 1 | 3 | ||
| Expedium | 43 | With CL | 5 | 4 | 0 | 1 |
| Without CL | 38 | 23 | 7 | 8 | ||
| Gezen | 85 | With CL | 30 | 20 | 4 | 6 |
| Without CL | 55 | 34 | 10 | 11 | ||
| NOVA | 63 | With CL | 0 | 0 | 0 | 0 |
| Without CL | 63 | 41 | 10 | 12 | ||
| Xia 3 | 82 | With CL | 14 | 10 | 1 | 3 |
| Without CL | 68 | 42 | 12 | 14 | ||
| Total | 529 | With CL | 204 | 132 | 30 | 42 |
| Without CL | 325 | 206 | 55 | 64 | ||
Abbreviation: CL, crosslink.