Health Questions and Answers

Question: How is the functional capacity of RA patients classified?

Answer:

  • Class I No restrictions, able to perform normal activities
  • Class II Moderate restriction, but able to perform normal activities
  • Class III Marked restriction, inability to perform most duties of the patient’s usual occupation or self-care
  • Class IV Incapacitation or confinement to a wheelchair

Reference: Hochberg MC (ed). Rheumatology, 3rd ed. St. Louis, Mosby, 2003

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