Preliminary criteria for the classification of the acute arthritis of primary gout

Arthritis Rheum. 1977 Apr;20(3):895-900. doi: 10.1002/art.1780200320.


The American Rheumatism Association sub-committe on classification criteria for gout analyzed data from more than 700 patients with gout, pseudogout, rheumatoid arthritis, or septic arthritis. Criteria for classifying a patient as having gout were a) the presence of characteristic urate crystals in the joint fluid, and/or b) a topus proved to contain urate crystals by chemical or polarized light microscopic means, and/or c) the presence of six of the twelve clinical, laboratory, and X-ray phenomena listed in Table 5.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Acute Disease
  • Arthritis / diagnosis
  • Arthritis, Rheumatoid / diagnosis
  • Chondrocalcinosis / diagnosis
  • Diagnosis, Differential
  • Female
  • Gout / classification*
  • Gout / diagnosis
  • Humans
  • Male
  • Suppuration
  • Synovial Fluid / analysis
  • Uric Acid / analysis


  • Uric Acid