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

Table 3 Independent association of FSTL1 with baseline characteristics in 198 RA patients^a

^aMultiple linear regression analysis association with the natural logarithm of follistatin-like protein 1 (FSTL1); RA, rheumatoid arthritis; B, unstandardized B coefficient; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; RF, rheumatoid factor; IU, international units; RU, relative units; ACPA, anti-cyclic citrullinated peptide antibody.

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