The operationalization of fatigue in frailty scales: a systematic review Vrije Universiteit Brussel Universiteit Gent
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”. ...