Review Article
Rheumatoid Arthritis and the Cervical Spine: A Review on the Role of Surgery
Table 2
American Rheumatologic Association Classification of Global Functional Status [
16].
| Class I | Complete ability to carry on all usual duties without handicaps |
| Class II | Adequate for normal activities, despite handicap of discomfort or limited motion at one or more joints |
| Class III | Adequate for only few or none of the duties of usual occupation or self-care |
| Class IV | Incapacitated, largely or wholly bedridden, or confined to wheelchair, little or no self-care |
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