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Table 3 Pedicle grading of 42 patients

From: The technical feasibility and preliminary results of minimally invasive endoscopic-TLIF based on electromagnetic navigation: a case series

  Number of screws (n = 168)
Grade 0 140
Grade 1 22
Grade 2 4
Grade 3 2
Excellent and good rate (%) 96.4%
  1. Grade 0 and Grade 1 was considered as excellent and good position (%)