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Related Experiment Videos

Phantom pain: a sensitivity analysis.

S Borsje1, J C Bosmans, C P van der Schans

  • 1Department of Rehabilitation, University Hospital Groningen, The Netherlands. p.u.dijkstra@rev.azg.nl

Disability and Rehabilitation
|October 23, 2004
PubMed
Summary
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The way phantom pain frequency and impact are categorized significantly alters study results. This analysis highlights how varying cut-off points affect phantom pain prevalence and risk factor identification.

Area of Science:

  • Pain research
  • Clinical study methodology
  • Amputation outcomes

Background:

  • Phantom pain is a common post-amputation complication.
  • Variability in study outcomes may stem from differing definitions of phantom pain presence.

Purpose of the Study:

  • To investigate the impact of dichotomizing phantom pain frequency and impediment on study outcomes.
  • To conduct a sensitivity analysis on an existing database to assess these influences.

Main Methods:

  • Utilized a database of 536 subjects from an orthopaedic workshop.
  • Collected data via questionnaire on demographics, amputation details, phantom sensations, stump pain, and phantom pain impediment.

Main Results:

  • Phantom pain prevalence varied widely (7-72%) based on frequency cut-off points.

Related Experiment Videos

  • Risk factor significance for prevalence and impediment changed with different cut-off points.
  • Stump pain and phantom sensations were consistent risk factors for prevalence.

    • Conclusions:

    • The selection of cut-off points significantly impacts phantom pain study outcomes.
    • Findings offer insights into discrepancies in reported prevalence and risk factors in the literature.