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Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)

Fatigue can accompany various diseases; however, fatigue itself is a key symptom for patients with chronic fatigue syndrome (CFS). Due to the absence of biological parameters for the diagnosis and severity of CFS, the assessment tool for the degree of fatigue is very important. This study aims to ve...

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Autores principales: Ahn, Yo-Chan, Lee, Jin-Seok, Son, Chang-Gue
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7712859/
https://www.ncbi.nlm.nih.gov/pubmed/33114401
http://dx.doi.org/10.3390/healthcare8040427
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author Ahn, Yo-Chan
Lee, Jin-Seok
Son, Chang-Gue
author_facet Ahn, Yo-Chan
Lee, Jin-Seok
Son, Chang-Gue
author_sort Ahn, Yo-Chan
collection PubMed
description Fatigue can accompany various diseases; however, fatigue itself is a key symptom for patients with chronic fatigue syndrome (CFS). Due to the absence of biological parameters for the diagnosis and severity of CFS, the assessment tool for the degree of fatigue is very important. This study aims to verify the reliability and validity of the modified Korean version of the Chalder Fatigue Scale (mKCFQ11). This study was performed using data from 97 participants (Male: 37, Female: 60) enrolled in a clinical trial for an intervention of CFS. The analyses of the coefficient between the mKCFQ11 score and the Fatigue Severity Scale (FSS), the Visual Analogue Scale (VAS) or the 36-item Short-Form Health Survey (SF-36) at two time points (baseline and 12 weeks) as well as their changed values were conducted. The mKCFQ11 showed strong reliability, as evidenced by the Cronbach’s alpha coefficient of 0.967 for the whole item and two subclasses (0.963 for physical and 0.958 for mental fatigue) along with the suitable validity of the mKCFQ11 structure shown by the principal component analysis. The mKCFQ11 scores also strongly correlated (higher than 0.7) with the VAS, FSS and SF-36 on all data from baseline and 12 weeks and changed values. This study demonstrated the clinical usefulness of the mKCFQ11 instrument, particularly in assessing the severity of fatigue and the evaluation of treatments for patients suffering from CFS.
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spelling pubmed-77128592020-12-04 Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11) Ahn, Yo-Chan Lee, Jin-Seok Son, Chang-Gue Healthcare (Basel) Article Fatigue can accompany various diseases; however, fatigue itself is a key symptom for patients with chronic fatigue syndrome (CFS). Due to the absence of biological parameters for the diagnosis and severity of CFS, the assessment tool for the degree of fatigue is very important. This study aims to verify the reliability and validity of the modified Korean version of the Chalder Fatigue Scale (mKCFQ11). This study was performed using data from 97 participants (Male: 37, Female: 60) enrolled in a clinical trial for an intervention of CFS. The analyses of the coefficient between the mKCFQ11 score and the Fatigue Severity Scale (FSS), the Visual Analogue Scale (VAS) or the 36-item Short-Form Health Survey (SF-36) at two time points (baseline and 12 weeks) as well as their changed values were conducted. The mKCFQ11 showed strong reliability, as evidenced by the Cronbach’s alpha coefficient of 0.967 for the whole item and two subclasses (0.963 for physical and 0.958 for mental fatigue) along with the suitable validity of the mKCFQ11 structure shown by the principal component analysis. The mKCFQ11 scores also strongly correlated (higher than 0.7) with the VAS, FSS and SF-36 on all data from baseline and 12 weeks and changed values. This study demonstrated the clinical usefulness of the mKCFQ11 instrument, particularly in assessing the severity of fatigue and the evaluation of treatments for patients suffering from CFS. MDPI 2020-10-24 /pmc/articles/PMC7712859/ /pubmed/33114401 http://dx.doi.org/10.3390/healthcare8040427 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Ahn, Yo-Chan
Lee, Jin-Seok
Son, Chang-Gue
Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)
title Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)
title_full Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)
title_fullStr Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)
title_full_unstemmed Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)
title_short Reliability and Validity of the Modified Korean Version of the Chalder Fatigue Scale (mKCFQ11)
title_sort reliability and validity of the modified korean version of the chalder fatigue scale (mkcfq11)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7712859/
https://www.ncbi.nlm.nih.gov/pubmed/33114401
http://dx.doi.org/10.3390/healthcare8040427
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