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Related Experiment Videos

Stability of the gross motor function classification system.

Robert J Palisano1, David Cameron, Peter L Rosenbaum

  • 1Program in Policy Decision-making, McMaster University, Hamilton, Ontario, Canada. robert.j.palisano@drexel.edu

Developmental Medicine and Child Neurology
|May 17, 2006
PubMed
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The Gross Motor Function Classification System (GMFCS) demonstrates excellent stability in children with cerebral palsy (CP), with most remaining in their initial classification over time.

Area of Science:

  • Pediatrics
  • Neurology
  • Rehabilitation Medicine

Background:

  • Cerebral palsy (CP) significantly impacts gross motor function in children.
  • The Gross Motor Function Classification System (GMFCS) is a widely used tool for classifying motor function in CP.
  • Assessing the longitudinal stability of GMFCS is crucial for understanding disease progression and treatment effectiveness.

Purpose of the Study:

  • To evaluate the stability of the Gross Motor Function Classification System (GMFCS) in children with cerebral palsy (CP).
  • To determine if children with CP maintain their GMFCS level over time.
  • To provide evidence supporting the reliability of GMFCS for tracking motor development.

Main Methods:

  • Longitudinal study involving 610 children with CP, assessed 2-7 times.

Related Experiment Videos

  • Classifications were made at 6-month intervals for children under 6 years and 12-month intervals for those 6 years and older.
  • Statistical analysis using weighted kappa coefficients to measure agreement between initial and final GMFCS ratings.

    • Main Results:

    • 73% of children with CP remained in the same GMFCS level throughout the study.
    • Excellent chance-corrected agreement was observed (kappa = 0.84 for <6 years, 0.89 for >=6 years).
    • Children in GMFCS Levels I and V were least likely to be reclassified; younger children tended towards lower levels if reclassified.

    Conclusions:

    • The GMFCS demonstrates high stability in classifying gross motor function in children with cerebral palsy.
    • Findings support the use of GMFCS as a reliable measure for assessing motor function over time in pediatric CP populations.
    • The GMFCS provides a consistent framework for monitoring functional status and outcomes in children with CP.