The Prevalence of Fibromyalgia in Other Chronic Pain Conditions

Table 1

Prevalence of fibromyalgia syndrome (FMS) in other central sensitivity syndromes (CSS) conditions.

CSS condition*	% prevalence of FMS (mean)	% prevalence of FMS (range)	Reference no.
Irritable bowel syndrome	40.7	20.0–65.0	[9, 11–14]
Temporomandibular disorder	23.7	13.0–52.0	[9, 15–19]
Headaches (all)	26.3	10.0–40.0	[9, 20–23]
Tension-type headache	29.7	23.0–36.4	[9, 23]
Migraine	16.0	10.0–22.0	[21, 22]
Mixed^¶	38.2	36.4–40.0	[20, 23]
Interstitial cystitis	15.4	12.0–22.4	[9, 24–27]
Chronic fatigue syndrome	55.2	15.6–80	[9, 28, 29]
Vulvar vestibular syndrome	23.4	15.6–31.2	[30, 31]
Gulf War syndrome	17.6	2.0–33.8	[32–34]

*Prevalence of FMS in other CSS conditions with a single study has been discussed in the text.
^¶Mixture of tension-type headache and migraine.