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

Table 3 P values after statistical analysis of ROM

	Flexion	Extension	Left lateral bending	Right lateral bending	Left axial rotation	Right axial rotation
Control group versus Study group (pre-fixation)	0.994	0.682	0.855	0.599	0.862	0.641
Control group versus Study group (after fixation)	0.671	0.79	0.542	0.884	0.866	0.812
Control group versus Study group (after torsion)	0.642	0.757	0.565	0.888	0.876	0.799
Pre-fixation versus after fixation (Control group)	< 0.001	< 0.001	< 0.001	< 0.001	0.014	0.002
After fixation versus after torsion (Control group)	0.001	0.003	0.011	0.009	0.008	0.007
Pre-fixation versus after torsion (Control group)	< 0.001	< 0.001	< 0.001	< 0.001	0.019	0.003
Pre-fixation versus after fixation (Study group)	< 0.001	< 0.001	< 0.001	< 0.001	0.012	0.004
After fixation versus after torsion (Study group)	0.019	0.005	0.006	0.008	0.004	0.002
Pre-fixation versus after torsion (Study group)	< 0.001	< 0.001	< 0.001	< 0.001	0.019	0.006

ISSN: 1749-799X