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  • Empirical Monetary Valuation of a Quality-Adjusted Life-Year in the Kingdom of Saudi Arabia: A Willingness-to-Pay Analysis

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    Author(s)
    Bazarbashi, Shouki
    De Vol, Edward B
    Maraiki, Fatma
    Al-Jedai, Ahmed
    Ali, Afshan A
    Alhammad, Ali M
    Aljuffali, Ibrahim A
    Iskedjian, Michael
    Griffith University Author(s)
    Maraiki, Fatma
    Year published
    2020
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    Abstract
    BACKGROUND: No willingness-to-pay (WTP) per quality-adjusted life-year (QALY) value exists for the Kingdom of Saudi Arabia (KSA). OBJECTIVE: The primary objective of this study was to determine the WTP for a QALY in the KSA. METHODS: Adult citizens of the KSA, patients with cancer, or members of the general public (MGP) were recruited to participate in a time trade-off survey to elicit health utilities. Cancer was chosen as the disease of interest for patients and the MGP, with a scenario describing stage 3 colorectal cancer, because it is a disease condition that impacts on both quality of life and survival time. In a second ...
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    BACKGROUND: No willingness-to-pay (WTP) per quality-adjusted life-year (QALY) value exists for the Kingdom of Saudi Arabia (KSA). OBJECTIVE: The primary objective of this study was to determine the WTP for a QALY in the KSA. METHODS: Adult citizens of the KSA, patients with cancer, or members of the general public (MGP) were recruited to participate in a time trade-off survey to elicit health utilities. Cancer was chosen as the disease of interest for patients and the MGP, with a scenario describing stage 3 colorectal cancer, because it is a disease condition that impacts on both quality of life and survival time. In a second step, respondents were asked about their WTP to move from the estimated health state to a state of perfect health for 1 year (QALY). Finally, that amount was processed to generate the WTP for a full QALY. The second step was repeated with a 5-year horizon. Sensitivity analyses were performed without outliers. RESULTS: From 400 participants, data from 378 subjects were obtained and usable: 177 patients, 201 MGP; 278 male, 100 female subjects; 231 aged 26-65 years. Demographic distribution varied widely between the two subgroups for age, education level, and employment status, but with less variation in sex and income. Elicited health utilities were 0.413 (0.472 after adjustment) for the overall group, 0.316 (0.416) for patients, and 0.499 (0.508) for MGP. Overall WTP for a QALY was $US25,600 (adjusted $US32,000) for the 1-year horizon and $US19,200 (adjusted $US22,720) for the 5-year horizon. CONCLUSION: This was the first empirical attempt to estimate the WTP per QALY for the KSA. Results are comparable to those in some other countries and to gross domestic product figures for the KSA. Further research in a country-wide sample is warranted.
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    Journal Title
    PharmacoEconomics - Open
    Volume
    4
    Issue
    4
    DOI
    https://doi.org/10.1007/s41669-020-00211-0
    Copyright Statement
    © The Author(s) 2020. This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, which permits any non-commercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
    Subject
    Biomedical and clinical sciences
    Social Sciences
    Science & Technology
    Life Sciences & Biomedicine
    Economics
    Health Care Sciences & Services
    Publication URI
    http://hdl.handle.net/10072/400804
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    • Journal articles

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