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- Title
Patient-based reliability of the Outcome Measures in Rheumatology (OMERACT) ultrasound scoring system for salivary gland assessment in patients with Sjögren's syndrome.
- Authors
Finzel, Stephanie; Jousse-Joulin, Sandrine; Costantino, Félicie; Hánová, Petra; Hocevar, Alojzija; Iagnocco, Annamaria; Keen, Helen; Naredo, Esperanza; Ohrndorf, Sarah; Schmidt, Wolfgang A; D'Agostino, Maria Antonietta; Terslev, Lene; Bruyn, George A
- Abstract
Background To assess the reliability of the consensually agreed US definitions of major salivary gland lesions and the US scoring system for salivary gland assessment in patients with SS. Methods Nine experienced sonographers scanned and read the US images of both parotid glands (PGs) and submandibular glands (SMGs) in eight patients with primary and secondary SS in two rounds. A consensually agreed four-grade semi-quantitative scoring was applied in B-mode for morphological lesions: grade 0, normal; grade 1, mild inhomogeneity without anechoic or hypoechoic areas; grade 2, moderate inhomogeneity with focal anechoic or hypoechoic areas; grade 3, severe inhomogeneity with diffuse an- or hypoechoic areas occupying the entire gland or fibrous gland. The presence or absence of typical SS lesions, i.e. the Sjögren's signature, was scored binary. Intra- and interreader reliabilities were computed using weighted and unweighted Cohen's and Light's κ coefficients. Results The mean prevalence of grades 0–3 in PG were 43, 17, 23 and 31% and 28, 14, 33 and 32% for the SMGs, respectively. The weighted κ for intrareader reliability ranged from 0.44 to 1 for grading and 0.64 to 1 for the Sjögren's signature of PG and 0.59 to 1 and −0.09 to 0.6 for SMGs, respectively. The interreader reliability κ for grading in PG was 0.62 (95% CI 0.47, 0.74) and for Sjögren's signature it was 0.36 (95% CI 0, 0.43); in SMG it was 0.62 (95% CI 0.47, 0.72) and 0.03 (95% CI 0, 0.07) respectively. Conclusions The consensually agreed novel US scoring system for major salivary gland lesions showed substantial intra- and interreader reliability in patients with SS. The reliability of the Sjögren's signature was moderate.
- Subjects
SALIVARY gland tumors; CONSENSUS (Social sciences); ULTRASONIC imaging; RESEARCH evaluation; CONFIDENCE intervals; RHEUMATOLOGY; ATTITUDE (Psychology); HEALTH outcome assessment; MEDICAL personnel; CANCER patients; INTER-observer reliability; TERMS &; phrases; DESCRIPTIVE statistics; SJOGREN'S syndrome; SALIVARY glands; STATISTICAL correlation; ALLIED health personnel
- Publication
Rheumatology, 2021, Vol 60, Issue 5, p2169
- ISSN
1462-0324
- Publication type
Article
- DOI
10.1093/rheumatology/keaa471