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Can single imputation techniques for BASDAI components reliably calculate the composite score in axial spondyloarthritis patients?

Stylianos Georgiadis, M. Riek, C Polysopoulas, Almut Scherer, Daniela Di Guiseppe, Gareth T Jones, Merete Lund Hetland, Mikkel Østergaard, Simon Horskjær Rasmussen, Johan Karlsson Wallman, Bente Glintborg, Anne Gitte Loft, K. Pavelka, Jakub Závada, Merih Birlik, Ayten Yazici, Brigitte Michelsen, E Kristianslund, Adrian Ciurea, Michael John NissenAna Maria Rodrigues, Maria José Santos, G. Macfarlane, Anna-Mari Hokkanen, Heikki Relas, C Codreanu, Corina Mogosan, Z Rotar, M Tomsic, B Gudbjörnsson, A.J. Geirsson, Pasoon Hellamand, MGH Van de Sande, E Castrejon, Manuel Pombo-Suarez, B. Frediani, F Iannone, Lykke Midtbøll Ørnbjerg

Abstract

Background:
In axial spondyloarthritis (axSpA), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) is a key patient-reported outcome. However, one or more of its components may be missing when recorded in clinical practice. Objectives To determine whether an individual patient’s BASDAI at a given timepoint can be reliably calculated with different single imputation techniques and to explore the impact of the number of missing components and/or differences between missingness of individual components.
Original languageEnglish
Publication date2022
Publication statusPublished - 2022
EventEULAR 2022 - Copenhagen
Duration: 1 Jun 20224 Jun 2022

Conference

ConferenceEULAR 2022
CityCopenhagen
Period01/06/202204/06/2022

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