Restless legs syndrome and leg cramps in fibromyalgia syndrome: a controlled study: Table 1

Restless legs syndrome is characterised by an unpleasant, difficult-to-describe sensation in the legs that produces an invariable urge to move them frequently.1 2 3 This symptom typically occurs at rest or before sleep and is alleviated by activity.1 2 3 Restless legs syndrome may occur without or with an associated condition, such as rheumatoid arthritis.1 3 We investigated the prevalence of restless legs syndrome and of leg cramps in patients with fibromyalgia syndrome, a common condition with widespread musculoskeletal aching and tender points,2 4 and in controls. One hundred and thirty five consecutive new female patients referred with primary fibromyalgia, 54 women with rheumatoid arthritis without concomitant fibromyalgia, and 87 healthy, pain free women acting as controls were studied at our outpatient rheumatology clinic. All patients with fibromyalgia …