Patient‐reported outcome assessment in vasculitis may provide important data and a unique perspective

Objective To assess patients' self‐estimates of the burden of disease in vasculitis and to compare data across patient populations from the US, Germany, and the UK. Outcome assessment in vasculitis primarily focuses on physician evaluations of disease activity and damage. Little is known about the patients' perspectives regarding the burden of disease. Methods Patients ranked (scale 0–5) a list of vasculitis‐related items to estimate a...