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Table 4 P values after statistical analysis of NZ

From: Biomechanical analysis of the door-shaped titanium plate in single-level anterior cervical discectomy and fusion

Control group versus Study group (pre-fixation)

Flexion–extension

Left–right lateral bending

Left–right axial rotation

Control group versus Study group (pre-fixation)

0.434

0.639

0.65

Control group versus Study group (after fixation)

0.846

0.698

0.179

Control group versus Study group (after torsion)

0.822

0.71

0.175

Pre-fixation versus after fixation (Control group)

< 0.001

< 0.001

0.002

After fixation versus after torsion (Control group)

0.003

0.007

0.001

Pre-fixation versus after torsion (Control group)

< 0.001

< 0.001

0.003

Pre-fixation versus after fixation (Study group)

< 0.001

< 0.001

0.005

After fixation versus after torsion (Study group)

0.003

0.001

0.005

Pre-fixation versus after torsion (Study group)

< 0.001

< 0.001

0.008