The definition of chronic widespread pain comprises duration and local extension of the pain [ 1].
One study concludes: "There is little evidence that fibromyalgia or chronic, widespread pain comprises a distinct entity.
1 Up to and including 2004, musculoskeletal disorders, dominated by spinal pain, comprising back and/or neck pain, formed the largest diagnostic group behind disability pensions in Sweden.
The Von Korff scale [ 30] was used to measure the severity of pain, comprising seven questions which combine to provide a measure of pain related disability, persistence and affective distress.
Our findings suggest a new framework model for the long-term course of back pain, comprising four different types of back pain trajectories, each with characteristic pain patterns, disability levels, psychological status and wider symptoms.
For many years, spinal pain, comprising back and/or neck pain, was the leading disorder in long-term sick-listing, including disability pensions, in Sweden as all over the industrial world.
A recent study by Pincus et al [ 18] suggests that low back pain comprises 70% of the caseload of private musculoskeletal practitioners, and that these tend to be patients with long term recurrent symptoms rather than acute episodes.
Low back and leg, neck-, shoulder and arm pain, and multiple pain sites comprised 47%, 31% and 22% of the population, respectively.
An expert consensus suggested that loudness, fear, annoyance, and pain comprise hyperacusis [ 2].
