Valuation of EQ-5D-5L health states from cancer patients’ perspective: a feasibility study

Qingqing Chai, Zhihao Yang, Xiaoyan Liu, Di An, Jiangyang Du, Xiumei Ma, Kim Rand, Bin Wu and Nan Luo ()
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Qingqing Chai: Shanghai Jiao Tong University
Zhihao Yang: Guizhou Medical University
Xiaoyan Liu: Shanghai Jiao Tong University
Di An: Shanghai Jiao Tong University
Jiangyang Du: Shanghai Jiao Tong University
Xiumei Ma: Shanghai Jiao Tong University
Kim Rand: Akershus University Hospital
Bin Wu: Shanghai Jiao Tong University
Nan Luo: National University of Singapore

The European Journal of Health Economics, 2024, vol. 25, issue 6, No 1, 915-924

Abstract: Abstract Objectives To assess the feasibility of estimating an EQ-5D-5L value set using a small study design in cancer patients and to compare the EQ-5D-5L values based on the preferences of cancer patients with those of the general public. Methods Patients with clinically diagnosed cancers were recruited from two hospitals in Shanghai, China. In face-to-face interviews using the EQ-PVT survey, health states were valued by cancer patients using both cTTO and DCE methods. cTTO data was modelled alone or jointly with DCE data. Forty-eight models using different model specifications (cross-attribute level effect [CALE] and additive models), random/fixed effects model assumptions, data heteroscedasticity and censoring were estimated. The best performed model was identified in terms of monotonicity of estimated model coefficients and out-of-sample prediction accuracy. Results Data collected from 221 cancer patients who participated in the study were included. The hybrid CALE model using both TTO and DCE data performed best in terms of prediction accuracy (Lin’s concordance coefficient = 0.989; root mean squared error = 0.058) and suggested that pain/discomfort and anxiety/depression were the most undesirable health problems. Compared to values based on general Chinese public’s health preferences, the values based on cancer patients’ preferences were much higher and lower for health states characterized by extreme mobility problems and severe/extreme pain or discomfort, respectively. Conclusion This study demonstrated the feasibility of using a small design to develop EQ-5D-5L value sets based on cancer patients’ health preferences. Since there were signs of differences between preferences of patients and general population, it may be valuable to develop patient-specific value sets and use them in clinical decision making and economic evaluations.

Keywords: EQ-5D-5L; Health preference; Cancer; Utility; Value set (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10198-023-01635-1

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