Assessing Age-Related Bias in EQ-5D-5L Quality of Life Measures Among Acute Ischemic Stroke Patients: Insights from the ACT Trial
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This article examines the potential for differential item functioning (DIF) in the widely used EQ-5D-5L patient-reported outcome measure among stroke survivors. Using robust statistical modeling, the ACT trial data reveal that while some age-related differences exist, especially in physical function items, these differences do not substantially alter individual health-related quality of life (HRQoL) scores. The measure functions equivalently across sex and thrombolytic treatment groups, supporting its validity in acute ischemic stroke trials.
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This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication.