Geneva, March 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600119135) titled 'The Impact and Significance of Changes in Cervical Curvature on Degeneration of Cervical Structure' on Feb. 24.

Study Type: Observational study

Study Design: Cross-sectional

Primary Sponsor: First Affiliated Hospital of Kunming Medical University

Condition: Cervical spondylosis

Intervention: Unoperated patients with normal cervical spine group:No surgical treatment was performed and the cervical curvature was normal. Normal cervical curvature group of patients undergoing open posterior cervical spine surgery:Normal cervical curvature, posterior approach open surgery Unoperated patients with abnormal cervi...