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Background: Psoriatic arthritis (PsA) is characterized by peripheral and/or axial manifestations with prominent features of dactylitis and enthesitis. Having PsA may negatively affect physical performance in daily life. However, best to our knowledge, no study investigated the possible factors related to physical performance in patients with PsA. Objectives: To investigate the correlations between physical performance and trunk muscle endurance, spinal mobility, fatigue, self-reported functional status, disease activity, emotional status, and disease-related quality of life in female patients with PsA. Methods: Ankylosing Spondylitis Performance Index (ASPI) including three tasks (bending to pick-up 6 pencils from the floor, putting on socks, and getting up from the floor) was used to evaluate physical performance. Trunk muscle endurance was measured by using side bridge test. Spinal mobility was assessed with Bath Ankylosing Spondylitis Metrology Index (BASMI). Fatigue and self-reported functional status were evaluated with Fatigue Severity Scale (FSS) and Bath Ankylosing Spondylitis Functional Index (BASFI), respectively. Disease Activity in Psoriatic Arthritis (DAPSA) scores were calculated to assess disease activity. Hospital Anxiety and Depression Scale (HADS) was employed to evaluate emotional status. Disease-related quality of life was assessed with PsA-specific quality of life questionnaire (PsAQoL). Results: Thirty-four female PsA patients with a median age of 49.0 years (IQR 25/75: 38.0/54.0 years) were included in the study. The physical and sociodemographic characteristics of the patients are presented in Table 1. Weak to moderate correlations were detected between all physical performance tasks and trunk muscle endurance, spinal mobility, fatigue, and disease-related quality of life (rho between 0.338 and 0.698, p0.05, Table 2). Conclusion: Physical performance seems related to many aspects of PsA such as trunk muscle strength, spinal mobility, fatigue, self-reported functional status, disease activity, and disease-related quality of life. Thus, assessing physical performance on a regular basis can be beneficial to clinicians. Additionally, disease management strategies targeting physical performance may help to improve disease outcomes or vice versa. REFERENCES: NIL. Acknowledgements: NIL. Disclosure of Interests: None declared.
İnanç et al. (Sat,) studied this question.