Fig. 3

A 70-year-old female in group C with cervical spondylotic myelopathy. The preoperative VAS score, JOA score and NDI score were 5, 7, and 40% respectively, and the postoperative VAS score, JOA score and NDI score were 1, 13, and 20%, respectively. The postoperative Odom score was “excellent.” The symptoms of the patients improved obviously and there was no obvious discomfort. Brantigan score: 1, vertebral collapse, cage subsidence. C1 was preoperative X-ray plain film of the cervical spine, C2 was X-ray plain film immediately after operation, C3 and C4 were lateral plain film of the cervical spine at 3 and 6 months after operation, respectively