Assessing internal construct validity of DAPSA and DAPSA28 in psoriatic arthritis: a European observational study using confirmatory factor analysis and additional psychometric testing

Objectives The Disease Activity index for Psoriatic Arthritis (DAPSA) was developed to assess disease activity in patients with psoriatic arthritis (PsA). A modified version, DAPSA28, uses 28 joints instead of 66/68. This study evaluated key psychometric properties of DAPSA and DAPSA28.Methods Data...

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Autors principals:	Fabrizio Conti, Bente Glintborg, Merete Lund Hetland, Brigitte Michelsen, Florenzo Iannone, Dan Nordström, Karel Pavelka, Catalin Codreanu, Anne Gitte Loft, Mikkel Østergaard, Jakub Zavada, Thorvardur Jon Love, Bjorn Gudbjornsson, Lykke Midtbøll Ørnbjerg, Adrian Ciurea, Michael J Nissen, Joana Borges, Laura Kuusalo, Simon Horskjær Rasmussen, Karl Bang Christensen, Sigrid Vorobjov, Corina Mogosan, Karin Laas, Jacob Brauner Jørgensen, Jette Heberg
Format:	Artigo
Idioma:	Inglês
Publicat:	BMJ Publishing Group 2025-12-01
Col·lecció:	RMD Open
Accés en línia:	https://rmdopen.bmj.com/content/11/4/e006104.full
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