Skip to main content

Table1 Clinical parameters of participants

From: Efficacy and safety for combination of t-EMG with O-arm assisted pedicle screw placement in neurofibromatosis type I scoliosis surgery

Variable

Value

Age (years)

14.49 ± 1.74

Male /Female

24/41

Preoperative cobb angle (degrees)

97.3 ± 4.6

Postoperative cobb angle (degrees)

26.8 ± 9.3

Correction rate (%)

71.8 ± 3.7

Total pedicle screws (T10-S1)

652

Pedicle width (mm)

3.68 ± 0.57

Pedicle morphology

 A

370

 B

132

 C

108

 D

42

Abnormal t-EMG

48

Sensitivity (%)

Specificity (%)

Positive predictive value (%)

100

96.2

66.7

Screw position of abnormal t-EMG

 G0

 G1

 G2

 G3

16

14

18

0

Screws requiring redirection

18

Redirection rate (%)

2.8

Dural tear

1

Screw-related neuro-complication

0