Please use this identifier to cite or link to this item:
|Title:||Comparison of EuroQol-5D and short form-6D utility scores in multiethnic Asian patients with psoriatic arthritis: A cross-sectional study||Authors:||Leung, Y.-Y.
|Issue Date:||Jun-2013||Citation:||Leung, Y.-Y., Png, M.-E., Wee, H.-L., Thumboo, J. (2013-06). Comparison of EuroQol-5D and short form-6D utility scores in multiethnic Asian patients with psoriatic arthritis: A cross-sectional study. Journal of Rheumatology 40 (6) : 859-865. ScholarBank@NUS Repository.||Abstract:||Objective. To compare EuroQol-5D (EQ-5D) and Short Form-6D (SF-6D) utility scores in multiethnic Asian patients with psoriatic arthritis (PsA). Methods. Consecutive patients fulfilling the Classification Criteria for Psoriatic Arthritis attending a rheumatology outpatient clinic were recruited and completed the EQ-5D and SF-6D questionnaires. Comparisons were performed by score distribution, mean, median, and the Outcome Measures in Rheumatology filter: i.e., truth, discrimination, and feasibility. Results. Eighty-six patients were enrolled (69 English-speaking and 17 Chinese-speaking; male:female ratio 0.91). The score distribution of SF-6D was normal, while that of EQ-5D was bimodal. A ceiling effect was observed in 20% of patients for EQ-5D and none for SF-6D. There were moderate correlations (Spearman's rho = 0.59, p < 0.0001) between the 2 scores, but poor agreements on scatterplot, intraclass correlation (ICC 0.43 and standardized ICC 0.21), and Bland-Altman plots. EQ-5D generated lower utility scores than SF-6D in the poorer health subgroup. SF-6D had stronger correlation with the general health status and other external measures of health; and it distinguished better between good and poor general health status, with better effect size and relative efficiency statistics. EQ-5D demonstrated higher patient acceptability. Conclusion. EQ-5D and SF-6D instruments generated different utility scores in PsA. SF-6D may be superior because of normal scaling distribution and the absence of ceiling and floor effects. SF-6D also had better construct validity and better discrimination of poor health status. More studies are required for cost-utility analysis in PsA. Copyright © 2013. All rights reserved.||Source Title:||Journal of Rheumatology||URI:||http://scholarbank.nus.edu.sg/handle/10635/105756||ISSN:||0315162X|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on May 11, 2018
WEB OF SCIENCETM
checked on Dec 19, 2018
checked on Jun 21, 2019
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.