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Stability Of The Gross Motor Function Classification System, Manual Ability Classification System, And Communication Function Classification System., Robert J Palisano, Lisa Avery, Jan Willem Gorter, Barbara Galuppi, Sarah Westcott Mccoy
Stability Of The Gross Motor Function Classification System, Manual Ability Classification System, And Communication Function Classification System., Robert J Palisano, Lisa Avery, Jan Willem Gorter, Barbara Galuppi, Sarah Westcott Mccoy
Physical Therapy Publications
AIM: To determine the stability of the Gross Motor Function Classification System (GMFCS), Manual Ability Classification System (MACS), and Communication Function Classification System (CFCS) over 1-year and 2-year intervals using a process for consensus classification between parents and therapists.
METHOD: Participants were 664 children with cerebral palsy (CP), 18 months to 12 years of age, one of their parents, and 90 therapists. Consensus between parents and therapists on level of function was ≥92% for the GMFCS, MACS, and CFCS. A linearly weighted kappa coefficient of ≥0.75 was the criterion for stability.
RESULTS: Kappa coefficients varied from 0.76 to 0.88 for …