Reliability and Cross-Cultural Validation of the Turkish Version of the Visual Function Classification System (VFCS) for Children with Cerebral Palsy.

Developmental neurorehabilitation Pub Date : 2024-11-01 Epub Date: 2024-10-13 DOI:10.1080/17518423.2024.2413133

H Adiguzel Tat, P Gunel Karadeniz, U Apaydin, P Atalan Efkere, N Ergun, B Elbasan

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Abstract

Purpose: This correlational study aimed to determine the reliability and validity of the Turkish version of the Visual Function Classification System (VFCS) for children with CP.

Method: Two physiotherapists and caregivers (n = 56) applied the VFCS (n = 120) two times at a 15-day interval. Physiotherapists' classifications were compared for interrater reliability. Same physiotherapists and caregivers' classifications' were compared for intrarater reliability. Expanded & Revised Gross Motor Function Classification System (GMFCS E&R), Manual Ability Classification System (MACS), and Communication Function Classification System (CFCS) were used for assessing validity of the culturally adapted VFCS.

Results: The interrater reliability between physiotherapists was excellent (ICC = 0.974, ICC = 0.988), while interrater reliability between the first physiotherapist and caregivers was good (ICC = 0.866, ICC = 0.893). The intrarater reliability was excellent (ICC = 0.971, ICC = 0.996, ICC = 0.984). A correlation was detected between the VFCS and the GMFCS E&R, MACS, and CFCS levels (r = 0.415, p < .001, r = 0.450, p < .001, r = 0.491, p < .001).

Conclusion: The findings of this study demonstrate the utility, compatibility and reliability of the Turkish version of the VFCS.

Trial registration number: NCT05102955.

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土耳其版脑瘫儿童视觉功能分类系统 (VFCS) 的可靠性和跨文化验证。

目的：本相关性研究旨在确定针对CP儿童的土耳其版视觉功能分类系统（VFCS）的可靠性和有效性：方法：两名物理治疗师和护理人员（n = 56）两次使用 VFCS（n = 120），每次间隔 15 天。对物理治疗师的分类进行比较，以确保相互之间的可靠性。对同一物理治疗师和护理人员的分类进行内部可靠性比较。在评估文化适应性 VFCS 的有效性时，使用了 "粗大运动功能分类系统（GMFCS E&R）扩展和修订版"、"徒手能力分类系统（MACS）"和 "交流功能分类系统（CFCS）"：物理治疗师之间的互测信度极佳（ICC = 0.974，ICC = 0.988），而第一位物理治疗师与护理人员之间的互测信度良好（ICC = 0.866，ICC = 0.893）。内部评分者之间的信度非常好（ICC = 0.971、ICC = 0.996、ICC = 0.984）。VFCS 与 GMFCS E&R、MACS 和 CFCS 水平之间存在相关性（r = 0.415，p r = 0.450，p r = 0.491，p 结论：本研究结果证明了土耳其版 VFCS 的实用性、兼容性和可靠性：NCT05102955.

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Developmental neurorehabilitation

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