Measurement of damage in systemic vasculitis: a comparison of the Vasculitis Damage Index with the Combined Damage Assessment Index.

Objectives: To compare the Vasculitis Damage Index (VDI) with the Combined Damage Assessment Index (CDA) as measures of damage from vasculitis.

Methods: A total of 283 patients with vasculitis from 11 European centres were evaluated in a cross-sectional study using the VDI and CDA.

Results: Wegener's granulomatosis (58.