How does the EQ-5D-5L perform in asthma patients compared with an asthma-specific quality of life questionnaire?

BMC Pulmonary Medicine
Boglárka L SzentesLarissa Schwarzkopf

Abstract

Asthma patients experience impairments in health-related quality of life (HRQL). Interventions are available to improve HRQL. EQ-5D-5L is a common generic tool used to evaluate health interventions. However, there is debate over whether the use of this measure is adequate in asthma patients. We used data from 371 asthma patients participating in a pulmonary rehabilitation (PR) program from the EPRA randomized controlled trial. We used four time points: T0 randomization, T1 start PR, T2 end PR, T3 3 months follow-up. We calculated floor and ceiling effects, intra-class correlation (ICC), Cohen's d, and regression analysis to measure the sensitivity to changes of EQ-5D-5 L (EQ-5D index and Visual Analog Scale (VAS)) and the disease-specific Asthma Quality of Life Questionnaire (AQLQ). Furthermore, we estimated the minimally important difference (MID). Based on the Asthma Control Test (ACT) scores, we defined three groups: 1. ACT-A (ACT> 19) controlled asthma, 2. ACT-B (14 < ACT≤19) not well-controlled asthma, and 3. ACT-C (ACT≤14) very poorly controlled asthma. Only the EQ-5D index showed ceiling effects at T2 and T3 (32%). ICC (between T0 and T1) was moderate or good for all measures. Cohen's d at T2 and T3 was better at differe...Continue Reading

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Citations

Dec 16, 2020·Journal of Clinical Medicine·Roy MeysSarah Houben-Wilke
Aug 29, 2021·Value in Health : the Journal of the International Society for Pharmacoeconomics and Outcomes Research·Denise BöckmannLarissa Schwarzkopf

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