Background The Chalder Fatigue Scale, also known as the Chalder Fatigue Questionnaire (CFQ) is a Patient Reported Outcome Measure (PROM) comprising 11 items designed to measure physical and cognitive fatigue. It is widely used with people with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). There is no published evaluation of the content validity of the CFQ.
No takes yet. Share an insight, caveat, or question.
Gladwell et al. (2024) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: