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Table 1 Pedicle screws considered in the EMG accuracy diagnostic study

From: Diagnostic accuracy of perioperative electromyography in the positioning of pedicle screws in adolescent idiopathic scoliosis treatment: a cross-sectional diagnostic study

Total

N=

100%

 

Axial Plane

N

%

 

 LCP0

36

15.9

NRNI - 204 (90.3%)

 LCP1

19

8.4

 

 LCP2

13

5.8

 

 MCP0

136

60.2

 

 MCP1

16

7.1

ARNI - 22 (9.7%)

 MCP2

6

2.6

 

Sagittal Plane

N

%

 

 FP0

183

81

NRNI - 183 (81%)

 FP1 (SUP)

38

16.8

ARNI - 43 (19%)

 FP1 (INF)

5

2.2

 
  1. Legend: MCP medial cortical perforation, LCP Lateral cortical perforation, FP0 posterior foramen, FP1 INF inferior foramen (FP1 INF) and FP1 SUP superior foramen (FP1 SUP), ARNI At risk for nerve injury, NRNI No risk for nerve injury, INF Inferior underlying neural foramen, SUP Superior underlying neural foramen