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Evaluating the health-related quality of life of the rare disease population in Hong Kong using EQ-5D 3-level

Ng, Yvette N.C., Ng, Nicole Y.T., Fung, Jasmine L.F., Lui, Adrian C.Y., Cheung, Nicholas Y.c., Wong, Wilfred H.S., Lee, So Lun, Knapp, Martin, Chung, Claudia C.Y. and Chung, Brian H.Y. (2022) Evaluating the health-related quality of life of the rare disease population in Hong Kong using EQ-5D 3-level. Value in Health, 25 (9). pp. 1624-1633. ISSN 1098-3015

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Identification Number: 10.1016/j.jval.2022.04.1725

Abstract

Objectives This study aimed to establish a normative profile of health-related quality of life (HRQOL) of the rare disease (RD) population in Hong Kong (HK) and identify potential predictors. Methods Between March 2020 and October 2020, patients with RD and caregivers were recruited through Rare Disease Hong Kong, the largest RD patient group alliance in HK. HRQOL was derived using the EQ-5D 3-Level with reference to the established HK value set. Utility scores were stratified according to demographics and disease-related information. Multiple linear regression was performed to explore the associations between patient characteristics and HRQOL. Results A total of 286 patients, covering 107 unique RDs, reported a mean utility score of 0.53 (SD 0.36). Thirty patients (10.5%) reported negative utility scores, indicating worse-than-death health states. More problems were recorded in the “usual activities” and “self-care” dimensions. Univariate analyses revealed that neurologic diseases, high out-of-pocket expenditure, home modification, and living in public housing or subdivided flats/units were significantly associated with lower HRQOL. A total of 99 caregivers reported a mean utility score of 0.78 (SD 0.17), which was significantly associated with the utility score of patients they took care of (r = 0.32; P = .001). Conclusions The normative profile of the RD population was established, which revealed lower HRQOL in the RD population than other chronic disease groups and general population in HK. Findings were corroborated by evidence from other cohorts using EQ-5D, combined as part of a meta-analysis. Identifying predictors highlight areas that should be prioritized to improve HRQOL of RD population through clinical and psychosocial dimensions.

Item Type: Article
Official URL: https://www.valueinhealthjournal.com/
Additional Information: © 2022 The Authors
Divisions: Personal Social Services Research Unit
Health Policy
Subjects: R Medicine > RA Public aspects of medicine
Date Deposited: 18 May 2022 23:16
Last Modified: 05 Sep 2022 23:19
URI: http://eprints.lse.ac.uk/id/eprint/115143

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