ResultsĮQ-5D scores achieved acceptable internal consistency and reliability.
Specifically, the relationship between EQ-5D and disease activity and functional scores was studied. Baseline correlations were performed along with test-retest reliability, validity, and internal consistency tests. SF-36 scores were used to verify the findings. Questionnaires regarding disease activity and functional disability (BASDAI, BASFI, BASGI, BASMI, ASDAS, ODI), mental health (HADS depression and anxiety), and the EQ-5D scores were recorded. Disease-associated data including disease duration, the presence of back pain, peripheral arthritis, dactylitis, enthesitis, uveitis, psoriasis, and inflammatory bowel disease was also recorded. Demographic data including smoking and drinking habits, education level, income, and occupation was collected. Prospective and consecutive recruitment of 220 Chinese patients with SpA was conducted. Hence, the aim of the study is to test the psychometric properties and to validate the use of the EQ-5D health measure for utility analyses in Chinese patients with SpA. However, the applicability of the EQ-5D health measure in Chinese patients with SpA is currently unknown. Generic health instruments like the EuroQoL 5-dimension (EQ-5D) is important for the cost-utility analysis of health care interventions and calculation of quality-adjusted life years. Spondyloarthritis (SpA) has a significant impact on patients’ quality of life due to functional impairments.