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Comparing the measurement properties of the EQ-5D-5 L, SF-6Dv2, QLU-C10D and FACT-8D among survivors of classical Hodgkin’s lymphoma

Author

Listed:
  • Richard Huan Xu

    (Hong Kong Polytechnic University)

  • Zuyi Zhao

    (Hong Kong Polytechnic University)

  • Tianxin Pan

    (The University of Melbourne)

  • Andrea Monteiro

    (University of Illinois at Chicago)

  • Hongfei Gu

    (Hongmian Cancers and Rare Disorders Charity Foundation of Guangzhou)

  • Dong Dong

    (The Chinese University of Hong Kong)

Abstract

Objective This study aimed to evaluate the measurement properties of EQ-5D-5 L, SF-6Dv2, QLU-C10D, and FACT-8D in survivors of Classical Hodgkin’s Lymphoma (CHL). Methods A cross-sectional, web-based survey was conducted from May to August 2022 to collect data. Chinese value sets were used to estimate the utility scores for EQ-5D-5 L, SF-6Dv2, and QLU-C10D, while the Australian value set was used for FACT-8D. The measurement properties assessed included ceiling and floor effects, convergent validity (assessing associations between similar dimensions/utility scores using Spearman’s rank correlation and intraclass correlation coefficient), and known-group validity (measures could differentiate health-related quality of life (HRQoL) between risk groups). Results A total of 534 CHL survivors participated in the survey and completed the questionnaire. All dimensions of EQ-5D-5 L, SF-6D (except for vitality), QLU-C10D, and FACT-8D showed ceiling effects, ranging from 18 to 91.6%. The EQ-5D-5 L demonstrated the higher ceiling effects compared to other measures, with 33% of patients reporting full health on this scale. All 30 pairs of associations between similar dimensions from the four measures were statistically significant, with correlation coefficients ranging from 0.29 to 0.77. Regarding utility scores, the EQ-5D-5 L utility score showed a stronger correlation with SF-6Dv2 than with the other two measures. Statistically significant correlations of utility scores between the four measures were observed. EQ-5D-5 L can significantly differentiate HRQoL among all known-groups, while SF-6Dv2, QLU-C10D, and FACT-8D showed a less strong discriminant ability. Conclusions EQ-5D-5 L outperformed SF-6Dv2 in terms of agreement with cancer-specific PRMs and discriminant ability. However, SF-6Dv2 showed stronger associations with similar dimensions of QLU-C10D and FACT-8D, indicating high convergent validity. The generic PBMs are sensitive enough to measure HRQoL in survivors of CHL.

Suggested Citation

  • Richard Huan Xu & Zuyi Zhao & Tianxin Pan & Andrea Monteiro & Hongfei Gu & Dong Dong, 2025. "Comparing the measurement properties of the EQ-5D-5 L, SF-6Dv2, QLU-C10D and FACT-8D among survivors of classical Hodgkin’s lymphoma," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 26(4), pages 671-682, June.
    • Handle: RePEc:spr:eujhec:v:26:y:2025:i:4:d:10.1007_s10198-024-01730-x
    DOI: 10.1007/s10198-024-01730-x
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    Keywords

    EQ-5D; SF-6D; QLU-C10D; FACT-8D; Preference-based measure; Measurement properties; Oncology; Lymphoma;
    All these keywords.

    JEL classification:

    • I10 - Health, Education, and Welfare - - Health - - - General

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