Sjögren's disease & overlap diseases
Estimating the reliability of salivary gland ultrasound scoring in Sjögren's disease: the outcome of an international training workshop
Authors' conclusion
A training workshop was associated with improvements for inter-observer reliability for GS SGUS, particularly in submandibular gland assessment and among inexperienced participants. The effects on CD scoring were minimal.
Study context
- Population
- 25 healthcare professionals from 10 countries with varying salivary gland ultrasound (SGUS) expertise, scoring SGUS images (grey-scale (GS) and colour Doppler (CD), submandibular and parotid glands) of 20 suspected Sjögren's disease (SjD) patients with OMERACT GS and CD scoring systemsimages of 20 suspected SjD patients
- Participants
- 25 professionals
- Comparison
- SGUS scoring before vs after a structured training workshop
- Outcome
- Inter-observer reliability (ICC) of SGUS scoring, overall and participant vs SGUS-expert (gold standard-participant agreement)
Methodological detailspre-post training workshop, international, stratified by SGUS experience
- Pre-post training workshop
- International
- Stratified by SGUS experience
Main finding
As reported in the abstract
Inter-observer reliability ICC, total OMERACT score
| Group | Value | Intraclass correlation coefficients (ICC) CD |
|---|---|---|
| Pre-workshop | ICC 0.68 | 0.73 |
| Post-workshop | ICC 0.79 | 0.72 |
Value
Pre-workshopICC 0.68
Post-workshopICC 0.79
Intraclass correlation coefficients (ICC) CD
Pre-workshop0.73
Post-workshop0.72
Further findings
Gold standard-participant agreement (ICC), change with training
- Training significantly improved the gold standard-participant ICC GS, particularly for the submandibular glands
- 0.06±0.12, p=0.020
- CD ICC: minor, non-significant improvement
- 0.03±0.09, p=0.129
Total GS OMERACT score ICC change, by SGUS experience (subgroup)
- Inexperienced participants (n=11): significant ICC improvement
- 0.13±0.13, p=0.012
- Experienced participants (n=14): negligible change
- 0.01±0.09, p=0.624
- No significant differences observed for CD scoring
Original publication
Estimating the reliability of salivary gland ultrasound scoring in Sjögren's disease: the outcome of an international training workshop. Clin Exp Rheumatol. Published 25 April 2025. doi:10.
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