Abstract
Purpose: Ultrasonography is used in rheumatic musculoskeletal diseases (RMDs) as outcome measure in clinical trials. In hand osteoarthritis (OA) it is a suitable imaging modality because multiple joints can be scanned with high sensitivity for subtle pathology. Traditionally, ultrasonography is scored dynamic and real-time. Dynamic ultrasonography is investigator dependent, which can lead to suboptimal inter-rater reliability. Central reading of static US images could avoid issues of inter-rater reliability.
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