• Yuqing Song and Hong Chen.
• West China School of Nursing/West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
• Patient Prefer Adher. 2021 Jan 1; 15: 1887-1894.

PurposeThe purpose of this study was to evaluate health-related quality of life (QoL) and explore its predictors in patients with ankylosing spondylitis (AS) in Southwest China.Patients And MethodsWe recruited AS patients from a tertiary hospital in Chengdu, China. Data were collected by self-reported questionnaires, including sociodemographic and disease-related variables, the Medical Outcomes Study 36-Item Short Form (SF-36), Beck Depression Inventory-Second Edition (BDI-II), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), Bath Ankylosing Spondylitis Functional Index (BASFI), and Bath Ankylosing Spondylitis Global score (BAS-G). Stepwise multiple linear regression analysis was used to determine the factors affecting physical component summary (PCS) and mental component summary (MCS) of SF-36.ResultsA total of 125 patients with AS were included in the current study. The PCS, MCS scores of SF-36 were 41.06±9.12, 47.82±9.84, respectively. Stepwise multiple linear regression analysis showed that higher educational level (β=0.237, P<0.001) and income (β=0.141, P=0.017), lower BASDAI (β=-0.195, P=0.006), BASFI (β=-0.317, P<0.001) and BAS-G (β=-0.288, P<0.001) scores were associated with higher PCS scores of SF-36. Higher BDI-II (β=-0.444, P<0.001) and fatigue (β=-0.293, P<0.001) scores were associated with worse MCS scores of SF-36.ConclusionAS patients in Southwest China had impaired health-related QoL. Healthcare providers should take effective strategies to modify the factors affecting health-related QoL, which may prompt disease management and increase QoL.© 2021 Song and Chen.

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