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Multicenter Study
. 2021 Mar;30(3):855-866.
doi: 10.1007/s11136-020-02644-w. Epub 2020 Sep 23.

A head-to-head comparison of measurement properties of the EQ-5D-3L and EQ-5D-5L in acute myeloid leukemia patients

Hongjuan Yu #  1   2 , Xueyun Zeng #  3 , Mingjie Sui #  3 , Rui Liu  3 , Rachel Lee-Yin Tan  4 , Jinjin Yang  5 , Weidong Huang  6 , Nan Luo  4
Affiliations
Multicenter Study

A head-to-head comparison of measurement properties of the EQ-5D-3L and EQ-5D-5L in acute myeloid leukemia patients

Hongjuan Yu et al. Qual Life Res. 2021 Mar.

Abstract

Purpose: This study aimed to compare the measurement properties of EQ-5D-3L(3L) and EQ-5D-5L(5L) in patients with acute myeloid leukemia (AML) in China.

Methods: We consecutively recruited 168 patients with AML from three tertiary hospitals to complete two rounds of interviews using the two versions of the EQ-5D. We compared (i) the ceiling effect using the McNemar's test, (ii) test-retest reliability using intraclass correlation coefficient (ICC) and Cohen's weighted Kappa, (iii) convergent validity using Spearman's rank correlation coefficient (r) and iv) discriminatory ability using F statistic and area under the receiver operating characteristics curve (AUROC) of the 5L and the 3L.

Results: The 5L descriptive system showed significantly lower ceiling effects in comparison to the 3L descriptive system (p < 0.001). While 5L showed superior reproducibility (Cohen's weighted Kappa = 0.56-0.67 and ICC = 0.89), both instruments exhibited good test-retest reliability. Even though both 3L and 5L showed good convergent and known-groups validity, 5L showed better convergent validity and discriminatory ability.

Conclusion: The current study found both 3L and 5L to be suitable for use in AML patients. However, 5L showed superior measurement properties compared to 3L. Thus, 5L could be the preferred instrument over 3L for use in AML patients.

Keywords: Acute myeloid leukemia; Cancer; EQ-5D-3L; EQ-5D-5L; Measurement property.

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