Fig. 1From: Methotrexate and anti-tumor necrosis factor treatment improves endothelial function in patients with inflammatory arthritisRHI values in RA, PsA, and AS patients with ED at all visits. *P < 0.05, versus baseline. The lines inside of the boxes show the median; the whiskers of the boxes show upper and lower values. AS ankylosing spondylitis, IA inflammatory arthritis, PsA psoriatic arthritis, RA rheumatoid arthritis, RHI Reactive Hyperemic IndexBack to article page