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Autoimmune multimorbidity and higher fatigue VAS in women with idiopathic inflammatory myopathies: Results from the international COVAD patient-reported e-survey
International Journal of Rheumatic Diseases ; 26(Supplement 1):376-377, 2023.
Article in English | EMBASE | ID: covidwho-2237341
ABSTRACT
Background/

Purpose:

Idiopathic inflammatory myopathies (IIMs) are a group of rare systemic autoimmune rheumatic diseases (AIRDs) with considerable heterogeneity. Little is reported about gender difference in patient-reported outcomes (PROs) of those with IIMs, which have a significant impact on health-related quality of life. We aimed to investigate the gender difference in PROs and treatment regimens of IIM patients utilizing data obtained in the COVID-19 vaccination in autoimmune disease (COVAD) study, a large-scale, international self-reported e-survey assessing the safety of COVID-19 vaccination in patients with various AIRDs including IIMs. Method(s) The COVAD study was launched in April 2021 and continued until December 31, 2021. The survey data regarding demographics, AIRD diagnosis, autoimmune multimorbidity (defined as three or more AIRD diagnoses for each patient), disease activity, current corticosteroid or immunosuppressant use, and PROs including fatigue and pain VAS, PROMIS Short Form -Physical Function 10a (PROMIS PF-10a), general health status, and ability to carry out routine activities were extracted from the COVAD database. Each PRO, disease activity, and treatments were compared between women and men. Patients with inclusion body myositis (IBM) were analyzed separately due to significant difference in treatment regimens and outcomes compared to other IIM subtypes. Factors affecting each PRO were determined by multivariable analysis. Result(s) 1197 complete responses from IIM patients as of August 2021 were analyzed. 845 (70.6%) patients were women. Women were younger (58 [48-68] vs. 69 [58-75] years old, median [interquartile range (IQR)], P0.001), and more likely to suffer from autoimmune multimorbidity compared to men (11.1% vs. 3.1%, P 0.001;Table 1). In patients with non-IBM IIMs, disease activity and corticosteroid use were comparable in both genders, while the distribution of immunosuppressant use was different (P = 0.002), with more hydroxychloroquine use in women (18.3% vs. 6.9%). The median fatigue VAS was significantly higher in women than in men (5 [IQR 3-7] vs. 4 [IQR 2-6], P = 0.004), whereas gender difference in the other PROs was not statistically significant (Table 2). In patients with IBM, on the other hand, no significant gender differences in PROs and treatment regimens were observed. The multivariable analysis in non-IBM IIMs revealed women, living in high-income countries, overlap myositis, and autoimmune multimorbidity as independent factors for higher fatigue VAS. Conclusion(s) Women with IIMs frequently suffer from autoimmune multimorbidity, and also experience more fatigue compared to men, calling for greater attention and further research on targeted treatment approaches. (Table Presented).
Keywords

Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Observational study Topics: Vaccines / Variants Language: English Journal: International Journal of Rheumatic Diseases Year: 2023 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Observational study Topics: Vaccines / Variants Language: English Journal: International Journal of Rheumatic Diseases Year: 2023 Document Type: Article