Table 1.
Description of the series
| Patients | ||
|---|---|---|
| Eligible | 97 | |
| Lost to follow-up | 4 | 2 dead (not related) |
| 2 living abroad (one with documented poor result at last 3-month follow-up | ||
| Follow-up | 12.1 months (mean); 6–28 | |
| Age | 59 years (mean); 27–85 | |
| Sex | 26% males; 74% females | |
| Number of levels treated | 1 level | 48 patients |
| 2 levels | 40 | |
| 3 levels | 8 | |
| 4 levels | 1 | |
| Highest level | T11–T12 | |
| Lowest level | L4–L5 | |
| Diagnoses | Degenerative disc disease | 78 patients |
| Degenerative scoliosis | 8 | |
| Postraumatic kyphosis (corpectomy) | 3 | |
| Pseudarthrosis following PSO | 2 | |
| Anterior column reconstruction following SPO | 2 | |
| Type of fixation | Bilateral pedicle screws (open or percutaneous) | 57 |
| Unilateral pedicle screws (most percutaneous) | 10 | |
| Translaminar facet screws | 2 | |
| Interspinous plate | 10 | |
| Interspinous elastic device | 1 | |
| Lateral plate | 3 | |
| Stand alone cages | 14 |