Can disease activity in patients with psoriatic arthritis be adequately assessed by a modified Disease Activity index for PSoriatic Arthritis (DAPSA) based on 28 joints?

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Annals of the Rheumatic Diseases

Fecha de publicación: 20 september 2018

DOI: http://dx.doi.org/10.1136/annrheumdis-2018-213463

Autores: Brigitte Michelsen, Joseph Sexton, Josef S Smolen, Daniel Aletaha, Niels Steen Krogh, Désirée van der Heijde, Tore K Kvien, Merete Lund Hetland.

Background: To test the psychometric performance of a modified Disease Activity index for PSoriatic Arthritis (DAPSA) using 28 instead of 66 swollen/68 tender joint counts (SJC/TJC).

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