Risk Factors for Severe Outcomes in Patients With Systemic Vasculitis and COVID‐19: A Binational, Registry‐Based Cohort Study

Objective COVID‐19 is a novel infectious disease with a broad spectrum of clinical severity. Patients with systemic vasculitis have an increased risk of serious infections and may be at risk of severe outcomes following COVID‐19. We undertook this study to establish the risk factors for severe COVID‐19 outcomes in these patients, including the impact of immunosuppressive therapies. Methods A multicenter cohort was developed through the...