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The COPD Assessment Test (CAT) can screen for fatigue among patients with COPD
Luleå University of Technology, Department of Health Sciences, Nursing Care. The OLIN Studies.ORCID iD: 0000-0001-6622-3838
Department of Public Health and Clinical Medicine, The OLIN Unit/Division of Medicine, Umeå University.
Luleå University of Technology, Department of Health Sciences, Health and Rehabilitation.ORCID iD: 0000-0002-5948-6880
Luleå University of Technology, Department of Health Sciences, Nursing Care. Department of Public Health and Clinical Medicine, The OLIN Unit/Division of Occupational and Environmental Medicine, Umeå University.ORCID iD: 0000-0002-1630-3167
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2018 (English)In: Therapeutic advances in respiratory disease, ISSN 1753-4658, Vol. 12, article id 1753466618787380Article in journal (Refereed) Published
Abstract [en]

Background:

Fatigue is one of the most common symptoms among subjects with chronic obstructive pulmonary disease (COPD), but is rarely identified in clinical practice. The aim of this study was to evaluate the association between fatigue and health-related quality of life (HRQoL) assessed with clinically useful instruments, both among subjects with and without COPD. Further, to investigate the association between fatigue and the COPD Assessment Test (CAT)-energy question.

Methods:

Data were collected in 2014 within the population-based OLIN COPD study. Subjects with (n = 367) and without (n = 428) COPD participated in clinical examinations including spirometry and completed questionnaires about fatigue (FACIT-Fatigue, clinically relevant fatigue ⩽43), and HRQoL (EQ-5D-VAS, lower score = worse health; CAT, lower score = fewer symptoms/better health).

Results:

Subjects with clinically relevant fatigue had worse HRQoL measured with EQ-5D-VAS, regardless of having COPD or not. Decreasing EQ-5D-VAS scores, any respiratory symptoms and anxiety/depression were associated with clinically relevant fatigue also when adjusted for confounders. Among subjects with COPD, clinically relevant fatigue was associated with increasing total CAT score, and CAT score ⩾10. The proportion of subjects with clinically relevant fatigue increased significantly, with a higher score on the CAT-energy question, and nearly 50% of those with a score of 2, and 70% of those with a score of ⩾3, had clinically relevant fatigue.

Conclusions:

Fatigue was associated with respiratory symptoms, anxiety/depression and worse HRQoL when using the clinically useful instruments EQ-5D-VAS and CAT. The CAT-energy question can be used to screen for fatigue in clinical practice, using a cut-off of ⩾2.

Place, publisher, year, edition, pages
SAGE Open, 2018. Vol. 12, article id 1753466618787380
National Category
Nursing Physiotherapy
Research subject
Nursing; Physiotherapy
Identifiers
URN: urn:nbn:se:ltu:diva-70212DOI: 10.1177/1753466618787380PubMedID: 30035671OAI: oai:DiVA.org:ltu-70212DiVA, id: diva2:1236846
Note

Validerad;2018;Nivå 2;2018-08-06 (andbra)

Available from: 2018-08-06 Created: 2018-08-06 Last updated: 2018-08-08Bibliographically approved

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Stridsman, CarolineJohansson Strandkvist, ViktorHedman, Linnea

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