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Objectives To compare physical function in systemic sclerosis (SSc, scleroderma) to general population normative data and identify associated factors. Methods Scleroderma Patient-centered Intervention Network Cohort participants completed the Physical Function domain of the Patient-Reported Outcomes Measurement Information System Version 2 upon enrolment. Multivariable linear regression was used to assess associations of sociodemographic, lifestyle, and disease-related variables. Results Among 2385 participants, the mean physical function T-score (43.7, SD = 8.9) was ∼2/3 of a standard deviation (SD) below the US general population (mean = 50, SD = 10). Factors associated in the multivariable analysis included older age (−0.74 points per SD years, 95% CI −0.78 to −1.08), female sex (−1.35, −2.37 to −0.34), fewer years of education (−0.41 points per SD in years, −0.75 to −0.07), being single, divorced, or widowed (−0.76, −1.48 to −0.03), smoking (−3.14, −4.42 to −1.85), alcohol consumption (0.79 points per SD drinks per week, 0.45–1.14), BMI (−1.41 points per SD, −1.75 to −1.07), diffuse subtype (−1.43, −2.23 to −0.62), gastrointestinal involvement (−2.58, −3.53 to −1.62), digital ulcers (−1.96, −2.94 to −0.98), moderate (−1.94, −2.94 to −0.93) and severe (−1.76, −3.24 to −0.28) small joint contractures, moderate (−2.10, −3.44 to −0.76) and severe (−2.54, −4.64 to −0.44) large joint contractures, interstitial lung disease (−1.52, −2.27 to −0.77), pulmonary arterial hypertension (−3.72, −4.91 to −2.52), rheumatoid arthritis (−2.10, −3.64 to −0.56) and idiopathic inflammatory myositis (−2.10, −3.63 to −0.56). Conclusion Physical function is impaired for many individuals with SSc and is associated with multiple disease factors. [ABSTRACT FROM AUTHOR]

A previous study using Scleroderma Patient-centered Intervention Network (SPIN) Cohort data identified five classes of people with systemic sclerosis (also known as scleroderma) based on patient-reported somatic (fatigue, pain, sleep) and mental health (anxiety, depression) symptoms and compared indicators of disease severity between classes. Across four classes ("low", "normal", "high", "very high"), there were progressively worse somatic and mental health outcomes and greater disease severity. The fifth ("high/low") class, however, was characterized by high disease severity, fatigue, pain, and sleep but low mental health symptoms. We evaluated resilience across classes and compared resilience between classes. Cross-sectional study. SPIN Cohort participants completed the 10-item Connor-Davidson-Resilience Scale (CD-RISC) and PROMIS v2.0 domains between August 2022 and January 2023. We used latent profile modeling to identify five classes as in the previous study and multiple linear regression to compare resilience levels across classes, controlling for sociodemographic and disease variables. Mean CD-RISC score (N = 1054 participants) was 27.7 (standard deviation = 7.3). Resilience decreased progressively across "low" to "normal" to "high" to "very high" classes (mean 4.7 points per step). Based on multiple regression, the "high/low" class exhibited higher resilience scores than the "high" class (6.0 points, 95% confidence interval [CI] 4.9 to 7.1 points; standardized mean difference = 0.83, 95% CI 0.67 to 0.98). People with worse disease severity and patient-reported outcomes reported substantially lower resilience, except a class of people with high disease severity, fatigue, pain, and sleep disturbance but positive mental health and high resilience. • We examined resilience among people with systemic sclerosis. • Participants were grouped in 5 classes based on patient-reported outcome patterns. • High disease severity was linked to less resilience and worse patient outcomes. • A distinct class reported higher resilience despite high disease severity. • Resilience characteristics of this subgroup require further investigation. [ABSTRACT FROM AUTHOR]