Measurement Properties of Commonly Used Generic Preference-Based Measures in East and South-East Asia: A Systematic Review

Xinyu Qian, Rachel Lee-Yin Tan, Ling-Hsiang Chuang and Nan Luo ()
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Xinyu Qian: National University of Singapore
Rachel Lee-Yin Tan: National University of Singapore
Ling-Hsiang Chuang: Pharmerit International
Nan Luo: National University of Singapore

PharmacoEconomics, 2020, vol. 38, issue 2, No 4, 159-170

Abstract: Abstract Objectives Our aim was to systematically review published evidence on the construct validity, test-retest reliability and responsiveness of generic preference-based measures (PBMs) used in East and South-East Asia. Methods This systematic review was guided by the COSMIN guideline. A literature search on the MEDLINE, EMBASE, PsycINFO and PubMed databases up to August 2019 was conducted for measurement properties validation papers of the EuroQol-5 Dimensions (EQ-5D), Short Form-6 Dimensions (SF-6D), Health Utilities Index (HUI), Quality of Well-Being (QWB), 15-Dimensional (15D) and Assessment of Quality of Life (AQOL) in East and South-East Asian countries. Included papers were disaggregated into individual studies whose results and quality of design were rated separately. The population-specific measurement properties (construct validity, test-retest reliability and responsiveness) of each PBM were assessed separately using relevant studies. The overall methodological quality of the studies used in each of the assessments was also rated. Results A total of 79 papers containing 1504 studies were included in this systematic review. The methodological quality was ‘very good’ or ‘adequate’ for the majority of the construct validity studies (99%) and responsiveness studies (61%), but for only a small portion of the test-retest reliability studies (23%). EQ-5D was most widely assessed and was found to have ‘sufficient’ construct validity and responsiveness in many populations, while the SF-6D and EuroQol-Visual Analog Scale (EQ-VAS) exhibited ‘inconsistent’ construct validity in some populations. Scarce evidence was available on HUI and QWB, but current evidence supported the use of HUI. Conclusions This systematic review provides a summary of the quality of existing generic PBMs in Asian populations. The current evidence supports the use of EQ-5D as the preferred choice when a generic PBM is needed, and continuous testing of all PBMs in the region.

Date: 2020
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DOI: 10.1007/s40273-019-00854-w

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