Revisiting Sjogren's syndrome in the new millennium: perspectives on assessment and outcome measures. Report of a workshop held on 23 March 2000 at Oxford, UK

Abstract
The past decade has seen the development and validation of widely accepted outcome measures for use in randomized controlled trials and longitudinal observational studies in the autoimmune rheumatic diseases, particularly rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) [1]. This has generated criteria by which the effectiveness of specific therapy can be judged [2] and has allowed the results of different studies to be compared directly with each other. Furthermore, the underlying concepts, such as those of disease activity, damage and functional impairment, provide a framework to develop similar measures for related conditions.

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