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Table 1 Enrolled non-RA CTD patients and the prevalence of the anti-CCP antibody

From: Long-term follow-up of patients with anti-cyclic citrullinated peptide antibody-positive connective tissue disease: a retrospective observational study including information on the HLA-DRB1 allele and citrullination dependency

Disease n Anti-CCP-positive, n (%)
SLE 318 16 (5.0)
Primary SS 183 7 (3.8)
SSc 97 2 (2.1)
PM/DM 54 3 (5.6)
MCTD/overlap syndrome 60 3 (5)
AOSD 28 1 (3.6)
SpA 38∗ 1 (2.6)
Others† 4 0 (0)
Total 780‡ 33 (4.2)
  1. CTD connective tissue disease,; systemic lupus erythematosus, SS Sjögren’s syndrome, SSc systemic sclerosis, PM polymyositis, DM dermatomyositis, MCTD mixed connective tissue disease, AOSD adult-onset Still’s disease, SpA spondyloarthritis
  2. †Takayasu arteritis; n = 1, anti-phospholipid syndrome; n = 1, polymyalgia rheumatica; n = 1, polyarteritis nodosa; n = 1
  3. ‡Including overlap
  4. *Thirteen out of 38 patients had erosive peripheral arthritis
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Arthritis Research & Therapy

ISSN: 1478-6362

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