Rheumatoid Arthritis and the Cervical Spine: A Review on the Role of Surgery

Table 1

Ranawat Classification of Rheumatoid Myelopathy [15].

Class I	Neurologically intact
Class II	Subjective weakness with hyperreflexia and dysesthesia
Class IIIa	Objective weakness with long tract signs but ambulatory
Class IIIb	Objective weakness with long tract signs with disability to walk or feed oneself, quadriparesis