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Figure 2 | Arthritis Research & Therapy

Figure 2

From: Follistatin-like protein 1 is elevated in systemic autoimmune diseases and correlated with disease activity in patients with rheumatoid arthritis

Figure 2

Serum FSTL1 levels in HC ( n = 69), early RA patients ( n = 48), long-standing RA patients ( n = 159), RF-negative RA patients ( n = 59), RF-positive RA patients ( n = 148), ACPA-negative patients ( n = 54) and ACPA-positive patients ( n = 152). Horizontal lines represent median values. Each point represents an individual value (*P < 0.05; ****P < 0.0001). FSTL1, follistatin-like protein 1; HC, healthy individuals; RA, rheumatoid arthritis; RF, rheumatoid factor; ACPA, anti-cyclic citrullinated peptide antibody.

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