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Related Experiment Videos

Clinically important outcomes in low back pain.

Raymond W J G Ostelo1, Henrica C W de Vet

  • 1Institute for Research in Extramural Medicine (EMGO Institute), VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands. r.ostelo@vumc.nl

Best Practice & Research. Clinical Rheumatology
|June 14, 2005
PubMed
Summary

This study defines minimally clinically important change (MCIC) values for low back pain assessment using validated questionnaires. It provides guidance on interpreting MCIC for pain intensity, disability, and patient satisfaction to improve treatment outcomes.

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Area of Science:

  • Rehabilitation Medicine
  • Clinical Measurement
  • Health Outcomes Research

Background:

  • Low back pain assessment involves multiple domains: pain intensity, disability, patient satisfaction, and work disability.
  • Numerous questionnaires exist, but validated and widely used instruments are crucial for reliable measurement.
  • Understanding the minimally clinically important change (MCIC) is essential for interpreting patient-reported outcomes.

Purpose of the Study:

  • To detail validated questionnaires used for assessing low back pain.
  • To describe measurement properties and estimate the MCIC for key low back pain domains.
  • To provide evidence-based MCIC values for pain, disability, and global perceived effect.

Main Methods:

  • Focus on validated and widely used questionnaires for low back pain.

Related Experiment Videos

  • Description of measurement properties and MCIC estimation methods.
  • Primary analysis of two adequate and frequently used MCIC estimation techniques.

    • Main Results:

    • MCIC for pain (VAS): ≥20mm (chronic/subacute), ≥35mm (acute).
    • MCIC for pain (NRS): ≥3.5 (acute), ≥2.5 (chronic/subacute).
    • MCIC for disability (RDQ): ≥3.5 points; (ODI): ≥10 points.
    • MCIC for global perceived effect: 'much improved' or 'very satisfied'.

    Conclusions:

    • MCIC values serve as indications, not fixed points, and depend on context.
    • MCIC interpretation should consider measurement aim, initial scores, population, and method.
    • Earlier return to work is a significant factor in cost-effectiveness for low back pain management.