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Table 4 Comparison of complications between the two groups

From: Influence of fixed titanium plate position on the effectiveness of open-door laminoplasty for cervical spondylotic myelopathy

Group n C5 palsy Axial symptoms
Yes No Severe Moderate Mild
Later mass group 55 8 (14.5%) 47 (85.5%) 2 11 42
Lamina group 43 1 (2.3%) 42 (97.7%) 4 15 24
Z/χ2 value 4.321 − 2.177
P value 0.038 0.029