Data for: Significance of flexion range of motion as a risk factor for kyphotic change after cervical laminoplasty

This data, including 99 patients with degenerative cervical myelopathy, is for the elucidation of risk factor for kyphotic change after cervical laminoplasty. The study population was divided into two cohorts: the cases with and without marked loss of cervical lordosis after laminoplasty [cervical lordosis loss (CLL) group and no cervical lordosis loss (NCLL) group, respectively].