TABLE III.
S1 Screw Accuracy Data in Retrospective CT Study
Screw Trajectory | Screw Breach | Screw Breach Orientation | ||||
---|---|---|---|---|---|---|
Minor (<3 mm) | Major (>3 mm) | Medial | Inferior | Inferomedial | ||
Accurate | 261 (96.7%) | — | — | — | — | — |
Misplaced | 9 (3.3%) | 6 (2.2%) | 3 (1.1%) | 5 (1.9%) | 2 (0.74%) | 2 (0.74%) |
Total | 270 | 6 | 3 | 5 | 2 | 2 |