Figure 1.
Reasons for failure to achieve the primary outcome in the Rituximab in Antineutrophil Cytoplasmic Antibody–Associated Vasculitis trial, by treatment group. RTX = rituximab; CYC/AZA = cyclophosphamide followed by azathioprine; BVAS/WG = Birmingham Vasculitis Activity Score for Wegener’s Granulomatosis.
