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Gepubliceerd in:

23-08-2022

Establishing the minimal clinically important difference of the EQ-5D-3L in older adults with a history of falls

Auteurs: Deborah A. Jehu, Jennifer C. Davis, Kenneth Madden, Naaz Parmar, Teresa Liu-Ambrose

Gepubliceerd in: Quality of Life Research | Uitgave 11/2022

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Abstract

Purpose

Establish the minimal clinically important difference (MCID) of a health-related quality of life (HRQoL) measure—the EuroQol EQ-5 Dimensions-3 Level (EQ-5D-3L)—in older adults with a history of falls.

Methods

This study is a secondary analysis of 255 complete cases who were enrolled in a 12-month randomized controlled trial (NCT01029171; NCT00323596); participants were randomized to the Otago Exercise Program (OEP; n = 126/172; Age:81.2 ± 6.2 years; 60.3% Female) or control (CON; n = 129/172; Age:81.7 ± 5.7 years; 70.5% Female). Participants completed the EQ-5D-3L and Visual Analogue Scale (VAS) at baseline and 1-year. The VAS was associated with HRQoL and was the health status anchor (VAS minimal improvement = 7 to 17, maximal improvement ≥ 18, minimal decline =  − 7 to − 17, maximal decline ≤  − 18 points). We used four distinct approaches to estimate MCID ranges: (1) anchor-based change differences of the EQ-5D-3L (1-year minus baseline); (2) anchor-based beta coefficients from ordinary least squares regressions (OLS); (3) anchor-based receiver operating characteristic (ROC), and 4) distribution-based standard deviation and standardized effect size of 0.5.

Results

EQ-5D-3L MCID ranges for minimal improvements (OEP = 0.028 to 0.059; CON = 0.007 to 0.051), maximal improvements (OEP = 0.059 to 0.090; CON = 0.051 to 0.090), minimal declines (OEP =  − 0.029 to − 0.105; CON =  − 0.015 to − 0.051), and maximal declines (OEP =  − 0.018 to − 0.072; CON =  − 0.018 to − 0.082) were established using change difference, OLS, and distribution-based methods. The ROC area under the curve was poor, thus, it was not used to estimate the MCID.

Conclusions

Our results will assist in the interpretation of changes in HRQoL, as measured by the EQ-5D-3L, in older adults with a history of falls.
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Metagegevens
Titel
Establishing the minimal clinically important difference of the EQ-5D-3L in older adults with a history of falls
Auteurs
Deborah A. Jehu
Jennifer C. Davis
Kenneth Madden
Naaz Parmar
Teresa Liu-Ambrose
Publicatiedatum
23-08-2022
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 11/2022
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-022-03231-x