Nurick classification

Cervical spondylotic myelopathy

Grade 0

Signs or symptoms of root involvement without spinal cord disease

Grade I

Signs of spinal cord disease without difficulty in walking

Grade II

Difficulty in walking without effect on employment

Grade III

Difficulty in walking with effect on full-time employment

Grade IV

Can walk only with aid or walker

Grade V

Chair-bound or bed-ridden


Williams KE, Paul R, Dewan Y. Functional outcome of corpectomy in cervical spondylotic myelopathy. Indian J Orthop. 2009 Apr.;43(2):205-209.