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Gary J Macfarlane a Unit of Chronic Disease Epidemiology, Medical
School, University of Manchester, Manchester M13 9PT, b Arthritis
Research Campaign Epidemiology Unit, Medical School, University of
Manchester
Correspondence to: G J Macfarlane
G.Macfarlane{at}man.ac.uk
Objective:
To determine whether there is excess
mortality in groups of people who report widespread body pain, and if
so to establish the nature and extent of any excess.
What is already known on this topic
What this study adds
Design:
Prospective follow up study over eight years. Mortality rate ratios were adjusted for age group, sex, and study location.
Setting:
North west England.
Participants:
6569 people who took part in two pain
surveys during 1991-2.
Main outcome measures:
Pain status at baseline and
subsequent mortality.
Results:
1005 (15%) participants had widespread pain, 3176 (48%) had regional pain, and 2388 (36%) had no pain. During follow up mortality was higher in people with regional pain (mortality rate ratio 1.21, 95% confidence interval 1.01 to 1.44) and widespread pain (1.31, 1.05 to 1.65) than in those who reported no pain. The
excess mortality among people with regional and widespread pain was
almost entirely related to deaths from cancer (1.55 (1.09 to 2.19) for
regional pain and 2.07 (1.37 to 3.13) for widespread pain). The excess
cancer mortality remained after exclusion of people in whom cancer had
been diagnosed before the original survey and after adjustment for
potential confounding factors. There were also more deaths from causes
other than disease (for example, accidents, suicide, violence) among
people with widespread pain (5.21, 0.94 to 28.78).
Conclusion:
There is an intriguing association between the report of widespread pain and subsequent death from cancer in the
medium and long term. This may have implications for the long term
follow up of patients with "unexplained" widespread pain symptoms,
such as those with fibromyalgia.
Widespread body pain, the cardinal symptom of fibromyalgia, is
common
This was the first study with long term follow up of people with
widespread pain in the community
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