Reliability and Validity of The Brief-Balance Evaluation Systems Test (Brief-BESTest) in Children with Cerebral palsy
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Abstract
Background: Poor balance is one of the problems in children with cerebral palsy (CP) that it causes difficulties with functional tasks involved in activities of daily living.
Objective: To study the reliability and validity of the Brief-Balance Evaluation Systems Test (Brief-BESTest) to determine balance and gross motor function in children with CP.
Methods: This study was a descriptive cross-sectional study designed by convenience sampling from the Regional Special Education Center in the South of Thailand. Children with CP classified by GMFCS-E&R level I-III aged 5–15 years. Participants were evaluated by Brief-BESTest, Pediatric Balance Scale (PBS) and Gross Motor Function Measurement (GMFM-88: Dimension D&E). At the first assessment, they were recorded with videotape during the test to repeated assessment after a two-week interval for intra-rater and inter-rater reliability by four raters. For concurrent and convergent validity, the Spearman’s correlation (ρ) was used to analyze the correlation between Brief-BESTest and PBS to assess balance and correlation between Brief-BESTest and GMFM-88 (Dimension D&E) for gross motor function.
Results: Sixteen children with CP, aged 7.69+0.69 years old were recruited. Brief-BESTest had high intra-rater (ICC3,1=0.99) and inter-rater reliability (ICC2,4=0.95) and also showed the significant correlation with PBS (ρ=0.93, p-value<0.05) and GMFM-88 (Dimension D&E)(ρ=0.86, p-value<0.05).
Conclusion: Brief-BESTest has good reliability and validity in assessing balance and also reveals a gross motor function for children with CP. Brief-BESTest is easily and quickly test along with can distinguish each item of postural control.
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References
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