Percentage of patients reporting a symptom indicative of central sensitivity on at least a weekly basis as a function of having an FMS or ME/CFS diagnosis.
Symptom
FMS(n = 1,127*)
ME/CFS(n = 619*)
Fatigue for no reason
97.1
97.3
Fatigue increases the day after you are active
95.7
97.3
Pain in arms and legs that is not due to hard exercise
94.9
84.0
Pain increases the day after you are active
94.9
90.2
Pain moving from one part of the body to another on different days
Source: Data from an online survey of FMS and ME/CFS patient support groups [31]. *: of whom 365 patients reported a diagnosis of FMS and ME/CFS. FMS: fibromyalgia syndrome; ME/CFS: myalgic encephalomyelitis/chronic fatigue syndrome.
Declarations
Author contributions
MEH: Conceptualization, Visualization, Writing—original draft, Writing—review & editing. The author read and approved the submitted version.
Conflicts of interest
The author declares that he has no conflicts of interest.
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