Abstract
BackgroundNo willingness-to-pay (WTP) per quality-adjusted life-year (QALY) value exists for the Kingdom of Saudi Arabia (KSA).ObjectiveThe primary objective of this study was to determine the WTP for a QALY in the KSA.MethodsAdult 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.ResultsFrom 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.ConclusionThis 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.Electronic supplementary materialThe online version of this article (10.1007/s41669-020-00211-0) contains supplementary material, which is available to authorized users.
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