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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 (%)