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Table 2 Prevalence of different autoantibodies in early arthritis patients with various diagnoses

From: The specificity of anti-carbamylated protein antibodies for rheumatoid arthritis in a setting of early arthritis

  RA UA ReA Gout Ps-gout PsA OA Sarc SpA RS3PE Other
anti-CarP 44 % 10 % 16 % 8 % 0 % 9 % 11 % 9 % 15 % 4 % 17 %
anti-CCP2 54 % 3 % 8 % 0 % 0 % 6 % 7 % 5 % 8 % 0 % 7 %
IgM-RF 59 % 5 % 7 % 6 % 11 % 10 % 20 % 7 % 4 % 7 % 20 %
  1. The percentages indicate the proportion of patients positive for one of the three autoantibodies analyzed in all samples available for each of the diagnoses
  2. Anti-CarP Anti-carbamylated protein, Anti-CCP2 Anti-cyclic citrullinated peptide 2, IgM-RF Immunoglobulin M-rheumatoid factor, OA Inflammatory osteoarthritis, PsA Psoriatic arthritis, Ps-Gout Pseudogout, RA Rheumatoid arthritis, ReA Reactive arthritis (bacterial and viral), RS3PE Remitting seronegative symmetrical synovitis with pitting edema, Sarc Sarcoidosis, SpA Spondylarthropathy with peripheral arthritis, UA Undifferentiated arthritis