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Table 1 Demographic and laboratory characteristics of the studied population

From: Improved serological detection of rheumatoid arthritis: a highly antigenic mimotope of carbonic anhydrase III selected in a murine model by phage display

  RA HC SLE AS
Age (years; mean ± SD) 53.7 ± 11.2 58.8 ± 8.7 55.7 ± 5.7 49.5 ± 7.5
Gender (female/male) 151/21 79/34 16/3 4/9
Caucasian (n (%)) 146 (85 %) 104 (92 %) 18 (95 %) 11 (85 %)
Disease duration (years; mean ± SD) 8.1 ± 8.4   9.2 ± 6.5 12 ± 9.1
Rheumatoid factor positive (n) 102 (59.3 %)   NA NA
CRP (mg/dl; mean ± SD) 2.4 ± 1.1   3.1 ± 0.9 2.7 ± 0.8
ESR (mm/hour; mean ± SD) 32 ± 26   33.4 ± 19.5 NA
AntiCCP positive (n) 75 (43.6 %)   NA NA
Biologic therapy (n in treatment) 62 (36 %)   4 (21 %) 3 (23 %)
NSAIDs (n in treatment) 127 (74 %)   9 (47 %) 5 (38 %)
  1. CRP value ≥0.8 mg/dl is considered elevated. ESR value ≥15 mm/hour is considered elevated. antiCCP anticyclic citrullinated peptide antibodies, AS ankylosing spondylitis, CRP C-reactive protein, ESR erythrocyte sedimentation rate, HC healthy control, NA not available, NSAIDs nonsteroidal anti-inflammatory drugs, RA rheumatoid arthritis, SD standard deviation, SLE systemic lupus erythematosus