Abstract
Objective
The EORTC QLU-C10D is a new preference-based measure derived from the EORTC QLQ-C30. Country-specific value sets are required to support the cost-utility analysis of cancer-related interventions. This study aimed to generate an EORTC QLU-C10 value set for Hong Kong (HK).
Methods
A HK online panel was quota-sampled to achieve an adult general population sample representative by sex and age. Participants were invited to complete an online discrete choice experiment survey. Each participant was asked to complete 16 choice-pairs, randomly assigned from a total of 960 choice-pairs, each comprising two QLU-C10D health states and a duration attribute. Conditional and mixed logistic regression analyses were used to analyse the data.
Results
The analysis included data from 1041 respondents who had successfully completed the online survey. The distribution of sex did not differ from that of the general population, but a significant difference was found among age groups. A weighting analysis for non-representative variable (age) was used. Utility decrements were generally monotonic, with the largest decrements for physical functioning (− 0.308), role functioning (− 0.165), and pain (− 0.161). The mean QLU-C10D utility score of the participants was 0.804 (median = 0.838, worst to best = − 0.169 to 1). The value of the worst health state was − 0.223, which was sufficiently lower than 0 (being dead).
Conclusions
This study established HK utility weights for the QLU-C10D, which can facilitate cost-utility analyses across cancer-related health programmes and technologies.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Funding
This study was supported by the European Organisation for Research and Treatment of Cancer Quality of Life Group, Grant No. 001/2018.
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Contributions
Concept and design: EW, RN, JL, BH, GK, and MK. Acquisition of data: GK. Analysis and interpretation of data: RX, RN, JL, BN, and GK. Drafting of the manuscript: RX and LN. Critical revision of paper for important intellectual content: RX, EW, LN, RN, BH, JL, GK, and MK. Statistical analysis: GK. Provision of study materials or patients: MK. Obtaining funding: BH and GK. Administrative, technical, or logistic support: JL. Supervision: EW.
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Conflict of interest
RX, EW, NL, RN, BH, and HT has nothing to disclose. JL and GK reports grants from EORTC Quality of Life Group during the conduct of the study. MK reports grants from the Australian National Health and Medical Research Council (NHMRC Project Grant 632662, to develop the QLU-C10D descriptive system and valuation methods used in the current study) and from the EORTC QOL Group for the conduct of the current study.
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The study was approved by the Ethics Committee, Hong Kong Polytechnic University, with approval number HSEARS20220523001.
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Xu, R.H., Wong, E.Ly., Luo, N. et al. The EORTC QLU-C10D: the Hong Kong valuation study. Eur J Health Econ (2023). https://doi.org/10.1007/s10198-023-01632-4
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DOI: https://doi.org/10.1007/s10198-023-01632-4
Keywords
- Utility weights
- Discrete choice experiment
- EORTC QLQ-C30
- QLU-C10D
- Hong Kong
- Quality of life
- Decision making