Improving sensitivity of the connective tissue disease screening questionnaire: A comparative study of various scoring methods

Objectives Early detection of autoimmune rheumatic diseases is crucial given their high morbidity and mortality and short window of opportunity to improve patient outcomes. Self-administered screening questionnaires such as the connective tissue disease screening questionnaire (CSQ) have been shown...

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Bibliographic Details
Published in:Lupus 2021-01, Vol.30 (1), p.35-44
Main Authors: Xiang, Ling, Low, Andrea Hsiu Ling, Leung, Ying Ying, Fong, Warren, Gandhi, Mihir, Xin, Xiaohui, Uy, Elenore JB, Sparks, Jeffrey A, Karlson, Elizabeth W, Thumboo, Julian
Format: Article
Language:English
Subjects:
Classification
Connective tissue diseases
Medical screening
Morbidity
Questionnaires
Rheumatic diseases
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Summary:Objectives Early detection of autoimmune rheumatic diseases is crucial given their high morbidity and mortality and short window of opportunity to improve patient outcomes. Self-administered screening questionnaires such as the connective tissue disease screening questionnaire (CSQ) have been shown to promote early detection of autoimmune rheumatic diseases. However, optimal scoring of screening questionnaires may differ with prevalence of clinical features and changes in classification criteria. We compared the performance of 3 scoring methods for the CSQ for early detection of autoimmune rheumatic diseases in a multi-ethnic Asian population. Methods Patients who were newly referred for evaluation of possible autoimmune rheumatic diseases were invited to answer the cross-culturally adapted CSQ. Detection of autoimmune rheumatic diseases using 1) the original CSQ scoring, 2) a modified CSQ scoring and 3) a scoring based on current classification criteria, were compared to classification of autoimmune rheumatic diseases by classification criteria. Results Of 819 participants, 85 were classified as having autoimmune rheumatic diseases screened for by the adapted CSQ. The original CSQ scoring yielded relatively lower sensitivities in detecting both any and individual autoimmune rheumatic diseases (67% and 20-57%, respectively) compared to the modified CSQ scoring (81% and 60-73%, respectively) and the scoring based on current classification criteria (89% and 50-88%, respectively). Conclusion The adapted CSQ with the classification criteria-based scoring achieved relatively high sensitivities in detecting autoimmune rheumatic diseases, suggesting this could be employed as the first step in population screening.
ISSN:0961-2033
1477-0962
DOI:10.1177/0961203320966378