Table 1.

Correlations (rs) between serum IL-21 cytokine levels versus rheumatoid factor (RF) and antimutated citrullinated vimentin (anti-MCV) antibody levels in patients with rheumatoid arthritis, at baseline and at 24 weeks after treatment with etanercept.

Baseline RFAnti-MCV24 Weeks RFAnti-MCV
IL-210.513**0.515**0.633**0.428*
  • Spearman’s rank correlation;

  • * p < 0.05;

  • ** p < 0.01. IL: interleukin.