Development of a new radiographic score for the follow-up of calcific tendinopathy of the rotator cuff
Authors' conclusion
Our new score presented good psychometric properties and was correlated with clinical data.
Study context
- Population
- Patients with calcific tendinopathy of the rotator cuff (CTRC) treated with US-guided puncture and lavage of their calcification
- Primary endpoint
- Psychometric properties of a new x-ray scoring system (0 = no change to 4 = complete disappearance of the calcification): inter- and intra-observer reliability (weighted Kappa), construct validity, predictive validity and sensitivity to change
Methodological detailspost-hoc analysis, psychometric validation
- Post-hoc analysis
- Psychometric validation
Primary result
As reported in the abstract
Psychometric properties of the new x-ray score
- Inter-reader reliability between the two experts at D7
- 0.677
- Inter-reader reliability between the two experts at M3
- 0.744
- Inter-reader reliability between the two experts at M12
- 0.656
- Intra-reader reliability, two expert readers
- 0.577–0.836
- Intra-reader reliability, junior reader
- 0.519–0.697
- Sensitivity to change
- 0.8
Original publication
Development of a new radiographic score for the follow-up of calcific tendinopathy of the rotator cuff. Clin Exp Rheumatol. Published 22 May 2023. doi:10.
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