Positioning of interbody cages.
| Cage Positioning | Value |
| Cage orientation (obliquity) | |
| 0°–5°, n (%) | 69 (71.1%) |
| 5°–10°, n (%) | 28 (28.9%) |
| Mean ± SD degree of obliquity (°) | 4.17 ± 2.84 |
| Cage positioning in the sagittal plane | |
| Anterior one-third of the vertebral body, n (%) | 8 (8.25%) |
| Middle one-third of the vertebral body, n (%) | 89 (91.8%) |
| Mean ± SD distance anterior to midline, mm | 1.86 ± 2.51 |
Note: The given n represents the number of cases.