Diagnostic accuracies of sialography and salivary ultrasonography in Sjögren's syndrome patients: A meta-analysis

Gwan Gyu Song, Young Ho Lee

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    Objective: The purpose of this study was to compare the diagnostic performance of sialography and salivary ultrasonography (US) for Sjögren's syndrome (SS) patients. Methods: We searched Medline, Embase, and the Cochran library, and performed two meta-analyses on the diagnostic accuracy of sialography and salivary US in SS patients. Results: A total of six studies including 488 patients and 447 controls from two European and four Asian studies were available for the meta-analysis. The pooled sensitivity and specificity of sialography were 80.0% (95% confidence interval [CI] 76.4-83.2) and 89.0% (85.8-91.8), respectively, and 77.4 (73.7-80.9) and 81.5 (77.6-85.0) for US, respectively. For sialography, the PLR, NLR, and DOR were 9.296 (4.200-20.57), 0.228 (0.170-0.305), and 46.51 (16.14-134.0), respectively, and for US were 4.631 (2.707-7.864), 0.302 (0.226-0.403), and 17.48 (10.03-30.45), respectively. The area under the curve (AUC) of sialography was 0.824, and the Q* index was 0.757, while the AUC of US was 0.864, and its Q* index was 0.794, indicating that the diagnostic accuracy of US is comparable with sialography in SS patients. A subgroup meta-analysis according to the diagnostic criteria did not change the overall diagnostic accuracy. Conclusion: Our meta-analysis of published studies demonstrates that the diagnostic accuracy of salivary US is comparable with sialography in SS patients.

    Original languageEnglish
    Pages (from-to)516-522
    Number of pages7
    JournalClinical and Experimental Rheumatology
    Volume32
    Issue number4
    Publication statusPublished - 2014 Jan 1

    Keywords

    • Diagnostic accuracy
    • Meta-analysis
    • Sialography
    • Sjögren's syndrome
    • Ultrasonography

    ASJC Scopus subject areas

    • Rheumatology
    • Immunology and Allergy
    • Immunology

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