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Osteoarthritis of the Hand

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Classification Criteria for Osteoarthritis of the Hand

Hand pain, aching, or stiffness and 3 or 4 of the following features:

  • Hard tissue enlargement of 2 or more of 10 selected joints
  • Hard tissue enlargement of 2 or more DIP joints
  • Fewer than 3 swollen MCP joints
  • Deformity of at least 1 of 10 selected joints

* The 10 selected joints are the second and third distal interphalangeal (DIP), the second and third proximal interphalangeal, and the first carpometacarpal joints of both hands. This classification method yields a sensitivity of 94% and a specificity of 87%. MCP = metacarpophalangeal.

Altman R, Alarcón G, Appelrouth D, Bloch D, Borenstein D, Brandt K, et al. The American College of Rheumatology criteria for the classification and reporting of osteoarthritis of the hand. Arthritis Rheum 1990;33:1601---10.