TY - JOUR
T1 - The operationalization of fatigue in frailty scales: a systematic review
AU - Knoop, V.
AU - Costenoble, A.
AU - Vella Azzopardi, R.
AU - Vermeiren, S.
AU - Debain, A.
AU - Jansen, B.
AU - Scafoglieri, A.
AU - Bautmans, I.
AU - Bautmans, Ivan
AU - Verté, Dominque
AU - Beyer, Ingo
AU - Petrovic, Mirko
AU - de Donder, Liesbeth
AU - Kardol, Tinie
AU - Rossi, Gina
AU - Clarys, Peter
AU - Scafoglieri, Aldo
AU - Cattrysse, Erik
AU - de Hert, Paul
AU - Jansen, Bart
PY - 2019/8/1
Y1 - 2019/8/1
N2 - Purpose: To identify the different fatigue items in existing frailty scales. Methods: PubMed, Web of Knowledge and PsycINFO were systematically screened for frailty scales. 133 articles were included, describing 158 frailty scales. Fatigue items were extracted and categorized in 4 fatigue constructs: “mood state related tiredness”, “general feeling of tiredness”, “activity based feeling of tiredness” and “resistance to physical tiredness”. Results: 120 fatigue items were identified, of which 100 belonged to the construct “general feeling of tiredness” and only 9 to the construct “resistance to physical tiredness”. 49,4% of the frailty scales included at least 1 fatigue item, representing 15 ± 9,3% of all items in these scales. Fatigue items have a significantly higher weight in single domain (dominantly physical frailty scales) versus multi domain frailty scales (21 ± 3.2 versus 10.6 ± 9.8%, p=<0,05). Conclusion: Fatigue is prominently represented in frailty scales, covering a great diversity in fatigue constructs and underlying pathophysiological mechanisms by which fatigue relates to frailty. Although fatigue items were more prevalent and had a higher weight in physical frailty scales, the operationalization of fatigue leaned more towards psychological constructs. This review can be used as a reference for choosing a suitable frailty scale depending on the type of fatigue of interest.
AB - Purpose: To identify the different fatigue items in existing frailty scales. Methods: PubMed, Web of Knowledge and PsycINFO were systematically screened for frailty scales. 133 articles were included, describing 158 frailty scales. Fatigue items were extracted and categorized in 4 fatigue constructs: “mood state related tiredness”, “general feeling of tiredness”, “activity based feeling of tiredness” and “resistance to physical tiredness”. Results: 120 fatigue items were identified, of which 100 belonged to the construct “general feeling of tiredness” and only 9 to the construct “resistance to physical tiredness”. 49,4% of the frailty scales included at least 1 fatigue item, representing 15 ± 9,3% of all items in these scales. Fatigue items have a significantly higher weight in single domain (dominantly physical frailty scales) versus multi domain frailty scales (21 ± 3.2 versus 10.6 ± 9.8%, p=<0,05). Conclusion: Fatigue is prominently represented in frailty scales, covering a great diversity in fatigue constructs and underlying pathophysiological mechanisms by which fatigue relates to frailty. Although fatigue items were more prevalent and had a higher weight in physical frailty scales, the operationalization of fatigue leaned more towards psychological constructs. This review can be used as a reference for choosing a suitable frailty scale depending on the type of fatigue of interest.
UR - https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85066956116&origin=inward
UR - https://www.ncbi.nlm.nih.gov/pubmed/31136819
U2 - https://doi.org/10.1016/j.arr.2019.100911
DO - https://doi.org/10.1016/j.arr.2019.100911
M3 - Review article
C2 - 31136819
SN - 1568-1637
VL - 53
JO - Ageing Research Reviews
JF - Ageing Research Reviews
M1 - 100911
ER -