Currently Adopted Criteria for Pedicle Screw Diameter Selection

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Figure 1
Pedicle screw insertion on computer generated images of (a) successfully placed screws and (b) misplaced screws: laterally for the right pedicle and medially for the left pedicle.
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Figure 2
Systematic review procedure: the exclusion criteria allowed the narrowing to a limited number of papers with detailed information on pedicle width, breach rate, and fixation strength.
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Figure 3
Average values calculated for screw diameter (SD) to pedicle width (PW), breach rate, and PW.
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Figure 4
Breach rate correlation with (a) pedicle width and (b) screw diameter to pedicle width ratio.