Skip to main content

Table 4 Measurement of screw insertion error

From: The accuracy and effectiveness of automatic pedicle screw trajectory planning based on computer tomography values: an in vitro osteoporosis model study

 

Planned trajectory (n = 20)

Actual trajectory (n = 20)

P-value

Axial distance (mm)

20.44 ± 1.84

20.54 ± 1.85

0.252

Axis Angle (°)

58.11 ± 4.98

57.85 ± 5.46

0.395

Sagittal distance (mm)

21.11 ± 3.52

21.16 ± 3.68

0.400

Sagittal Angle (°)

101.21 ± 8.36

100.96 ± 8.65

0.065