Retrospective Study
Copyright ©The Author(s) 2024.
World J Clin Cases. Jul 16, 2024; 12(20): 4108-4120
Published online Jul 16, 2024. doi: 10.12998/wjcc.v12.i20.4108
Table 4 Load-displacement ratio for pedicle screws (unit: N/mm)
TSA
Extension
Flexion
Right lateral bending
Left lateral bending
Right rotation
Left rotation
0 degrees2740.93 ± 165.32392.80 ± 22.71483.01 ± 29.98394.84 ± 20.03351.67 ± 20.84396.13 ± 23.69
17 degrees2165.44 ± 131.12353.29 ± 20.36527.13 ± 33.77425.08 ± 24.35364.43 ± 19.14428.47 ± 27.76
F124.96333.7272.1076.144.9867.093
P value0.0000.0000.0000.0110.0280.001