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Related Experiment Videos

Vertical or horizontal visual analogue scales.

J Scott, E C Huskisson

    Annals of the Rheumatic Diseases
    |December 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Horizontal and vertical visual analogue scales (VAS) for pain measurement correlate well. However, horizontal VAS scores tend to be slightly lower than vertical VAS scores.

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    Area of Science:

    • Pain research
    • Psychometrics
    • Clinical assessment

    Background:

    • Visual analogue scales (VAS) are widely used for pain intensity measurement.
    • Both horizontal and vertical VAS formats exist, but their comparative performance is not fully elucidated.

    Purpose of the Study:

    • To compare the performance of horizontal and vertical visual analogue scales in pain measurement.
    • To assess the correlation and potential differences in scores between the two VAS orientations.

    Main Methods:

    • A comparative study design was employed.
    • Participants rated their pain using both horizontal and vertical visual analogue scales.
    • Statistical analysis was performed to evaluate the correlation and differences between the scale scores.

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    Main Results:

    • A strong positive correlation was observed between horizontal and vertical VAS scores.
    • Scores obtained from horizontal VAS were consistently, albeit slightly, lower than those from vertical VAS.
    • This suggests a potential systematic difference in pain reporting based on scale orientation.

    Conclusions:

    • Both horizontal and vertical VAS are reliable tools for pain assessment, showing good agreement.
    • Clinicians should be aware of the potential for lower scores with horizontal VAS, which may influence interpretation or treatment decisions.
    • Further research could explore the reasons for this observed difference and its clinical significance.