• Barbara P Yawn, Peter C Wollan, Toby N Weingarten, James C Watson, W Michael Hooten, and L Joseph Melton.
• Olmsted Medical Center, Department of Research, Rochester, MN 55904, USA. Yawnx002@umn.edu
• Pain Med. 2009 Apr 1;10(3):586-93.

BackgroundNeuropathic pain is reported to be common based on studies from specialty centers and survey studies. However, few prevalence estimates have been completed in a community population using clinical evaluation.ObjectiveTo develop an estimate of the prevalence of neuropathic pain in community-dwelling adults.MethodsData from a mailed survey (N = 3,575 community respondents), telephone interview (N = 907), and a clinical examination (N = 205) were linked to estimate the population prevalence of neuropathic pain. Using the clinical examination as the "gold" standard, estimates from several screening tools were developed and adjusted to the Olmsted County, MN adult population.ResultsThe estimated community prevalence of neuropathic pain from the clinical examination (gold standard) was 9.8%. Most other estimates were lower, including a 3.0% population prevalence using the Berger criteria and 8.8% using the Leeds Assessment of Neuropathic Symptoms and Signs. Only the prevalence rate based on self-report of nerve pain was higher (12.4%). Overlap among the groups each tool identified as having "neuropathic predominant pain" was only modest and the groups had significantly different rates of depressive symptoms, anxiety, limited functional ability, and use of complementary and alternative medicine.ConclusionsThe estimated rates and personal characteristics of community residents with "neuropathic pain" vary widely depending on the tools used to identify neuropathic pain. None of the screening tools compared well with clinical evaluation. The differences in the groups identified by alternative screening methods become of major importance when reporting neuropathic pain epidemiology, studying therapies for neuropathic pain, or attempting to translate neuropathic pain research into clinical practice.

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