Improving domain definition and outcome instrument selection: Lessons learned for OMERACT from imaging

Maria Antonietta D'Agostino, Dorcas E Beaton, Lara J Maxwell, Sam Michel Cembalo, Alison Maria Hoens, Catherine Hofstetter, Codruta Zabalan, Paul Bird, Robin Christensen, Maarten De Wit, Andrea S Doria, Walter P Maksymowych, Win Min Oo, Mikkel Østergaard, Teodora Serban, Victor S Sloan, Lene Terslev, Marion A Van Rossum, Philip G Conaghan, Maarten Boers

Risultato della ricerca: Contributo in rivistaArticolo in rivista


Objectives: Imaging is one of the most rapidly evolving fields in medicine. Unfortunately, many imaging technologies have been applied as measurement instruments without rigorous evaluation of the evidence supporting their truth, discriminatory capability and feasibility for that context of use. The Outcome Measures in Rheumatology (OMERACT) Filter 2.1 Instrument Selection Algorithm (OFISA) is used to evaluate such evidence for use of an instrument in a research setting. The objectives of this work are to: [1] define and describe the key conceptual aspects that are essential for the evaluation of imaging as an outcome measurement instrument and [2] describe how these aspects can be assessed through OFISA. Methods: Experts in imaging and/or methodology met to formalize concepts and define key steps. These concepts were discussed with a team of patient research partners with interest in imaging to refine technical and methodological aspects into comprehensible information. A workshop was held at OMERACT2020 and feedback was incorporated into existing OMERACT process for domain and instrument selection. Results: Three key lessons were identified: (1) a clear definition of the domain we want to measure is a necessary prerequisite to the selection of a good instrument, (2) the sources of variability that can directly influence the instrument should be clearly identified, (3) incorporating these first two lessons into OFISA improves the quality of every instrument selection process. Conclusions: The incorporation of these lessons in the updated OMERACT Filter (now 2.2) will improve the quality of the selection process for all types of outcome measurement instruments. (c) 2021 Published by Elsevier Inc.
Lingua originaleEnglish
pagine (da-a)1125-1133
Numero di pagine9
RivistaSeminars in Arthritis and Rheumatism
Stato di pubblicazionePubblicato - 2021


  • Imaging
  • MRI
  • Outcome measurement instruments
  • methodology
  • patient reporting outcomes
  • rheumatic and musculoskeletal diseases
  • ultrasound


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