Improving domain definition and outcome instrument selection: Lessons learned for OMERACT from imaging
Abstract
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) isused to evaluate such evidence for use of an instrument in a research setting. The objectives of this work areto: [1] define and describe the key conceptual aspects that are essential for the evaluation of imaging as anoutcome 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 technicaland methodological aspects into comprehensible information. A workshop was held at OMERACT2020 andfeedback was incorporated into existing OMERACT process for domain and instrument selection.
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