title: Measurements, composite scores and the art of 'cutting-off'.
authors.affiliation: Centre for Rheumatology Research & MRC Centre for Neuromuscular Diseases, University College London, London, UK.
authors.forename: Pedro M
authors.initials: PM
authors.lastname: Machado
mesh_terms: D015535:Arthritis, Psoriatic; D006801:Humans; D025241:Spondylarthritis
keywords: Epidemiology; Outcomes research; Psoriatic Arthritis; Spondyloarthritis