Ankylosing Spondylitis and Rheumatoid Arthritis: Serum Levels of TNF-𝜶 and Its Soluble Receptors during the Course of Therapy with Etanercept and Infliximab

Figure 3

Comparison of serum TNF-R1 levels in healthy controls, AS, and RA patients. Patient serum samples were taken prior to the start of anti-TNF-α therapy. Significant differences in the receptor concentration found in the study groups are indicated by the 𝑃 value.