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Table 2 The fixation strength of the pedicle screw at different vertebral bodies in the no. 3 and 4 cadavers

From: The effect of lateral wall perforation on screw pull-out strength: a cadaveric study

VB Cad 3 (B) (N) (A) (N) Cad 4 (B) (N) (A) (N)
L1 1,309 1,553 1,006 1,461
L2 1,530 1,993 1,315 1,426
L3 1,154 1,406 1,007 1,209
L4 1,125 1,220 873 1,345
L5 623 923 724 1,154
  1. B, experimental group; A, control group.