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. 2023 Sep 6;8(3):e22.00079. doi: 10.2106/JBJS.OA.22.00079

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