High levels of memory B cells are associated with response to a first tumor necrosis factor inhibitor in patients with rheumatoid arthritis in a longitudinal prospective study

Table 2 Correlation of rheumatoid arthritis characteristics and B-cell subset distributions ^a

^aDAS28, Disease Activity Score in 28 joints; Ig, Immunoglobulin; RA, Rheumatoid arthritis; TNFi, Tumor necrosis factor inhibitor. ^bP < 0.05, ^cP < 0.01. ^cCorrelations were not significant; however CD27⁺, CD27⁺IgD⁺ and CD27^-IgD^- proportions were higher in patients with active RA than in those with low disease activity after adjustment for age, sex and steroid dose (general linear models). Data are Spearman’s r statistics.

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