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A computer-based interview system for patients with back pain. A validation study.

A M Thomas1, J C Fairbank, P B Pynsent

  • 1Research and Teaching Centre, Royal Orthopaedic Hospital, Northfield, Birmingham, United Kingdom.

Spine
|August 1, 1989
PubMed
Summary
This summary is machine-generated.

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A new computer system for patient interviews shows promise in identifying back and leg pain syndromes. While initial errors occurred, system improvements are expected to yield 94% accuracy for clinical diagnosis.

Area of Science:

  • Medical Informatics
  • Clinical Diagnosis
  • Health Technology

Background:

  • Back and leg pain are common presenting complaints.
  • Accurate syndrome identification is crucial for effective treatment.
  • Computer-assisted patient interviews offer a novel approach to data collection.

Purpose of the Study:

  • To design and validate a microcomputer-based system for interviewing patients.
  • To investigate the system's accuracy in establishing common syndromes of back and leg pain.
  • To compare the computer-based system with conventional physician clerking.

Main Methods:

  • A randomized crossover validation study involving 50 outpatients.
  • Patients were interviewed by both the computer system and a physician.

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  • Error rates for both methods were systematically recorded and analyzed.

    • Main Results:

    • Conventional physician clerking had minor errors in 3.75% and major errors in 0.90%.
    • The initial computer system had minor errors in 6.75% and major errors in 5.45%.
    • Most computer errors stemmed from initial question design flaws.

    Conclusions:

    • The microcomputer system requires refinement for optimal performance.
    • Post-correction, the system is anticipated to achieve 94% accuracy.
    • The improved system is expected to be effective for clinical syndrome identification.