Increased IL-33 in Synovial Fluid and Paired Serum Is Associated with Disease Activity and Autoantibodies in Rheumatoid Arthritis
Figure 2
IL-33 levels in SF of RA and OA. SF IL-33 was detectable in 43 of the 120 patients with RA (35.8%), whereas it was nondetectable in patients with OA. The concentration in SF from RA was significantly higher than that from OA ().
