Challenge of missing data in observational studies
Objectives: We aimed to compare various methods for imputing disease activity in longitudinally collected observational data of patients with axial spondyloarthritis (axSpA). Methods: We conducted a simulation study on data from 8583 axSpA patients from ten European registries. Disease activity was assessed by the Axial Spondyloarthritis Disease Activity Score (ASDAS) and the corresponding low disease activity (LDA
Authors
- Stylianos Georgiadis (ORCID: https://orcid.org/0000-0003-3485-9457)
- Johan K. Wallman (ORCID: https://orcid.org/0000-0002-4915-2924)
- Jakub Závada (ORCID: https://orcid.org/0000-0002-9802-6545)
- Daniela DI Giuseppe
- Marion Pons (ORCID: https://orcid.org/0000-0001-6531-9846)
- Simon Horskjær Rasmussen
- Ziga Rotar
- Louise Linde
- Merete Lund Hetland
- Tor Olofsson
Publication Details
- Journal
- DiRROS repository (University of Maribor)
- Published
- 2026-02-26
- Primary Topic
- Spondyloarthritis Studies and Treatments
- Type
- article
- Field-Weighted Citation Impact
- 0.00