Developing and testing a patient-reported outcome measure for patients with sleep disturbances using EQ-5D and condition-specific bolt-ons: a mixed method study.
Ai-Ping Chua, Aureliano Paolo Finch, Shaffinaz Abd Rahman, Mary Anne Relimbo Dela Cruz, Emelita Naval Montaniel, Kaayathiri Ravichandran, Nan Luo
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引用次数: 0
Abstract
Objectives: The EQ-5D-5L may not adequately capture the health-related quality of life in patients with sleep disturbances. We examined the psychometric properties of a hybrid PROM comprising a module of four sleep-related bolt-ons and EQ-5D-5L.
Methods: We employed a sequential exploratory mixed method by first qualitatively testing the face validity of "sleep", "cognition", "tiredness" and "relationship" and refining these bolt-ons through in-depth interviews with 23 patients and clinicians. We then quantitatively assessed their performance by administering the four bolt-ons, appended to EQ-5D-5L, and three condition-specific patient-reported outcome measures (cPROMs) during two clinical visits of patients with respiratory-related sleep disorders. We compared ceiling effects and construct validity of EQ-5D-5L with and without the bolt-ons by testing a priori hypotheses about the cPROMs and polysomnographic characteristics via correlation and areas under the curves (AUC) analyses, respectively. We examined their responsiveness among "treated/improved" participants using standardized response means (SRM) and AUC analysis, and reliability among "untreated/no change" participants using intra-class correlation coefficient (ICC) or Cohen's Kappa (k).
Results: 110 participants (mean [SD] age: 47[13]) were recruited and 90 returned for their review assessments (mean [SD] interval: 2.2 [2.1] months). The bolt-ons led to a reduction of 42.7% in ceiling effects. The bolt-ons were better correlated with cPROMs and exhibited higher discriminatory power and responsiveness, with comparable reliability to EQ-5D-5L. A combined module of the four bolt-ons provided better results than individual bolt-ons.
Conclusions: A "hybrid" PROM of sleep bolt-ons module added to EQ-5D-5L improved its psychometric properties among patients with sleep disturbances.
期刊介绍:
Quality of Life Research is an international, multidisciplinary journal devoted to the rapid communication of original research, theoretical articles and methodological reports related to the field of quality of life, in all the health sciences. The journal also offers editorials, literature, book and software reviews, correspondence and abstracts of conferences.
Quality of life has become a prominent issue in biometry, philosophy, social science, clinical medicine, health services and outcomes research. The journal''s scope reflects the wide application of quality of life assessment and research in the biological and social sciences. All original work is subject to peer review for originality, scientific quality and relevance to a broad readership.
This is an official journal of the International Society of Quality of Life Research.