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ORIGINAL RESEARCH article
Front. Neurol.
Sec. Neurorehabilitation
Volume 15 - 2024 |
doi: 10.3389/fneur.2024.1458066
Reliability and Validity of the Chinese Version of the Selective Control Assessment of the Lower Extremity in Children with Spastic Cerebral Palsy
Provisionally accepted- 1 Department of Rehabilitation Medicine, Shenzhen Children's Hospital, Shenzhen, China
- 2 Jiamusi University, Jiamusi, Heilongjiang Province, China
Objective: To assess the reliability and validity of the Chinese version of the Selective Control Assessment of the Lower Extremity (SCALE) in children with spastic cerebral palsy (CP). Methods: Forty-five children with spastic CP (mean age 7.29 years, SD 2.87 years,rang 4 - 16 years) were recruited. Internal consistency was measured using Cronbach's α, while test-retest and inter-rater reliability were evaluated using intra-class correlation coefficients (ICC). Construct validity was established through correlation and confirmatory factor analyses. Discriminative validity was assessed by comparing SCALE scores across varying GMFCS levels. Results: The Chinese version of SCALE demonstrates high internal consistency (Cronbach's α = 0.91) and good reliability with ICCs exceeding 0.76 for test-retest and inter-rater assessments. It shows significant correlations with GMFCS (r = -0.76, P < 0.001) and Fugl-Meyer scales (r = 0.79, P < 0.001), confirming its validity. Confirmatory factor analysis supports a well-fitting model (χ²/df = 1.58, RMSEA = 0.08, SRMR < 0.001, GFI = 0.98, AGFI = 0.90, CFI = 0.99, TLI = 0.98), with the latent variable's AVE at 0.59 and CR at 0.88. Discriminative validity is evident in significant differences across GMFCS levels (p < 0.001), notably between levels I and II, I and Ⅲ, and I and Ⅳ (p < 0.05). Conclusion: The Chinese version of SCALE shows good reliability and validity for assessing lower limb selective movement control in children with spastic cerebral palsy in China.
Keywords: Cerebral Palsy, Spasticity, selective motor control, assessment, Children
Received: 01 Jul 2024; Accepted: 26 Aug 2024.
Copyright: © 2024 Zhou, Chen, Zeng, Huang, Wu, Wang, Zhong, Cao and Huang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Chunming Zhou, Department of Rehabilitation Medicine, Shenzhen Children's Hospital, Shenzhen, China
Meihuan Huang, Department of Rehabilitation Medicine, Shenzhen Children's Hospital, Shenzhen, China
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