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Table 5 Absolute quantitative accuracy of pedicle screw placement

From: Does MIS-TLIF or TLIF result in better pedicle screw placement accuracy and clinical outcomes with navigation guidance?

 

NM-TLIF

(n = 112)

N-TLIF

(n = 104)

P Value

Axial translational error (mm)

0.82 ± 2.77

−0.33 ± 0.76

< 0.001

Axial angular error (degree)

0.49 ± 5.62

0.14 ± 4.27

0.862

Sagittal translational error (mm)

−0.89 ± 2.04

0.16 ± 1.03

< 0.001

Sagittal angular error (degree)

1.34 ± 4.79

− 0.83 ± 3.12

< 0.001

  1. Two-Sample Mann–Whitney U Test
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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