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Related Experiment Videos

Pressure algometry in healthy subjects: inter-examiner variability

F Antonaci1, T Sand, G A Lucas

  • 1University Centre for Adaptive Disorders and Headache (UCADH), Section of Pavia I, C. Mondino Foundation, Pavia, Italy.

Scandinavian Journal of Rehabilitation Medicine
|April 4, 1998
PubMed
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This study found good to excellent inter-examiner reliability for head and neck algometry using a mechanical pressure algometer. Results suggest careful consideration of examiner bias in clinical studies.

Area of Science:

  • Pain research
  • Neurology
  • Biomedical engineering

Background:

  • Assessing pain perception thresholds is crucial in clinical settings.
  • Manual algometry is a common method for measuring pain sensitivity.
  • Understanding the reliability of algometry is essential for accurate patient assessment.

Purpose of the Study:

  • To determine the inter-examiner reliability of head and neck algometry.
  • To evaluate the reproducibility of pain threshold measurements.
  • To assess the influence of different examiners on pain perception data.

Main Methods:

  • Mechanical pressure algometry was used to measure pain thresholds in 21 healthy individuals.
  • Measurements were taken at 13 symmetrical head and neck points, deltoid, and finger.

Related Experiment Videos

  • Two examiners conducted repeated measurements within a single day, with randomized investigation sequences.

    • Main Results:

    • Good inter-examiner reliability was observed, with a mean intra-class correlation coefficient (ICC) of 0.75.
    • Intra-examiner reproducibility was excellent (mean ICC = 0.84).
    • Significant differences between examiners were noted at the frontal point (p < 0.01).

    Conclusions:

    • Manual algometry with a mechanical device demonstrates good to excellent inter-rater reliability for head and neck regions.
    • Potential examiner bias should be considered in study design and data analysis for clinical applications.
    • The findings support the use of manual algometry, with appropriate precautions, for pain assessment.