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Table 3 Preoperative and postoperative Frankel grades

From: RETRACTED ARTICLE: Percutaneous pedicle screw fixation combined with selective transforaminal endoscopic decompression for the treatment of thoracolumbar burst fracture

Preoperative 12 months postoperatively
  E D C B A
E 14     
D 18 1    
C 3 3    
A   2