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Table 1 Demographic data of the presymptomatic individuals, rheumatoid arthritis patients and controls included in the study

From: Survivin but not Fms-like tyrosine kinase 3 ligand is up-regulated before the onset of rheumatoid arthritis: a pilot study

  Presymptomatic individuals (n = 47) RA patients (n = 36) Controls (n = 155)
Females (%) 70.2 69.4 71.6
Median (interquartile range) age (years) 50.3 (18.7) 57.1 (7.6) 50.2 (17.1)
HLA-DR SEa, n (%) 28/47 (59.6) 24/34 (70.6) 43/105 (41.0)
Anti-CCP2 antibody-positive, n (%) 12/47 (25.5) 21/35 (60.0) 1/155 (0.6)
  1. Anti-CCP, anti-cyclic citrullinated peptide antibodies; RA, rheumatoid arthritis. aShared epitope defined as human leukocyte antigen-DRB1 0101/0401/0404/0405/0408.