0 a medical condition that causes pain in the muscles and surrounding tissue as well as extreme tiredness --
Relatively little progress has been made in delineating the nature and extent of heterogeneity for both chronic fatigue syndrome and fibromyalgia.
They also induced a transient syndrome similar to fibromyalgia by depriving healthy subjects of this stage of sleep.
Our aims were to investigate empirically symptomatic heterogeneity in chronic fatigue syndrome and fibromyalgia.
However, in light of these limitations, these results support a conceptualization of chronic fatigue syndrome and fibromyalgia as being characterized by greater similarities than differences.
A consequence of these limitations is that these results suggest - but do not prove - the lack of distinctiveness between chronic fatigue syndrome and fibromyalgia.
In this paper, we describe the application of latent class analysis to a large set of symptoms associated with chronic fatigue syndrome and fibromyalgia.
Four of the patients had received a diagnosis of fibromyalgia earlier.
Victimization in chronic fatigue syndrome and fibromyalgia in tertiary care : a controlled study on prevalence and characteristics.