Table 3. Screw-associated and general complications with and without surgical revision.
| Complication | Conventional | 3D navigated | Total | p | |||
|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||
| Revisions | 21 | 8.4 | 9 | 4.5 | 30 | 6.6 | 0.09 |
| Screw associated complications undergoing surgical revision | |||||||
| Inacceptable position | 4 | 1.6 | 2 | 1.0 | 6 | 1.3 | 0.70 |
| Mechanical failure | 5 | 2.0 | 0 | 0.0 | 5 | 1.1 | 0.07 |
| General complications undergoing surgical revision | |||||||
| Wound-healing disorder | 3 | 1.2 | 3 | 1.5 | 6 | 1.3 | >0.99 |
| Deep infection | 4 | 1.6 | 4 | 2.0 | 8 | 1.8 | >0.99 |
| Bleeding | 1 | 0.4 | 1 | 0.5 | 2 | 0.4 | >0.99 |
| Intraspinal fragment | 7 | 2.8 | 1 | 0.5 | 8 | 1.8 | 0.08 |
| General complications without surgical intervention | |||||||
| Neurologic | 1 | 0.4 | 1 | 0.5 | 2 | 0.4 | >0.99 |
| Vascular | 1 | 0.4 | 0 | 0.0 | 1 | 0.2 | >0.99 |
Abbreviation: 3D, three-dimensionally.
Note: % = percent of all patients of the respective group.