Fig. 4From: Clinical outcome and safety study of a newly developed instrumented French-door cervical laminoplasty techniqueJOA score (top left panel), Neck Disability Index (top right panel), Nurick’s grade (bottom left panel), and VAS scale for axial neck pain (bottom right panel). Significant changes (p ≤ 0.05) are marked with an asterisk in the graphsBack to article page