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Table 3 Sites of screw breakage, rod breakage, and screw loosening

From: Long-term impact of sagittal malalignment on hardware after posterior fixation of the thoracolumbar spine: a retrospective study

Level of the problemNumber of screw breakagesNumber of rod breakagesNumber of screw loosenings
Th11 3 
Th1212 
L1 1 
L21  
L3131
L422 
L543 
S1435