Reliability and validity of four square step test in children with balance dysfunction

doi:10.11852/zgetbjzz2020-1401

Abstract

Abstract: Objective To study the reliability and validity of four square step test (FSST) in children with balance dysfunction, so as to provide experimental evidences for clinical evaluation of children with balance dysfunction. Methods A total of 129 children with impaired balance function treated in Shenzhen Children's Hospital between January 2018 and February 2019 were selected as the study subjects.All participants were evaluated by two assessors (A, B) 3 times a week.A was responsible for the first and third evaluation, while B was responsible for the second evaluation.The content of the first evaluation included FSST, Berg Balance Scale (BBS), time up and go test (TUG) and 10-meter walking test (10MWT), with an interval of 3-5 minutes between every two test.The content of the second and third evaluation only included FSST.During the evaluation, the assessors did not discuss with each other and record their own data.Pearson correlation analysis was performed to test the correlation of FSST, BBS, TUG and 10MWT results so as to reflect the reliability of FSST.The inter-rater reliability and re-test reliability of FSST were analyzed, and CDM packet was used to detect the discrimination. Results The correlation coefficients of FSST with BBS, TUG and 10MWT were -0.985 (-0.782--0.605), 0.678 (0.572-0.761) and 0.721 (0.626-0.795) (P<0.001).The reliability and test-retest reliability of FSST were 0.957 and 0.979.The validity value was 0.801-0.989 for differentiating children at different ages, which was 0.707-0.824 for differentiating children with different etiologies. Conclusion FSST has high parallel validity, inter-evaluator consistency reliability and test-retest reliability in evaluating children's balance function, and is worth for clinical application.

Key words: four square step test, balance dysfunction, reliability, validity, children

摘要： 目的研究四格移步试验在平衡功能障碍的儿童中的信度效度,为儿童平衡功能障碍的临床评估提供试验依据。方法研究对象为2018年1月-2019年2月在深圳市儿童医院就诊的平衡功能受损129例儿童,所有研究对象在1周内由A、B两名评估员评估3次,A负责第1、3次评估,B负责第2次评估;第1次评估内容为四格移步试验(FSST)、 Berg平衡量表(BBS)、计时起立行走测试(TUG)及10 m步行测试(10MWT),每个试验间休息3~5 min;第2、3次评估仅评估FSST,评估过程中,评估员不互相讨论,各自记录数据;应用Pearson相关性分析法检验FSST、BBS总分、TUG、10MWT评定结果的相关性以反映FSST的信度,分析FSST的评定者间信度及重测信度,应用CDM软件包检测区分度。结果 FSST与BBS、TUG、10MWT结果的相关系数为-0.985(-0.782~-0.605)、0.678(0.572~0.761)、0.721(0.626~0.795)(P＜0.001);FSST的评定者间信度为0.957,重测信度为0.979;不同年龄的患儿区分度(D)为0.801~0.989,不同病因的患儿区分度为(D)0.707~0.824。结论 FSST用于儿童平衡功能评估具较高的平行效度、评定者间一致性信度及重测信度,值得临床推广。

关键词: 四格移步试验, 平衡功能障碍, 信度, 效度, 儿童

CLC Number:

R748

LIANG Xian-rong, TAN Zhu-jiang, CAO Jian-guo, PENG Kang-long, CHEN Tu-rong, GONG Rong, CHEN Qin-er. Reliability and validity of four square step test in children with balance dysfunction[J]. journal1, 2021, 29(3): 309-312.

梁显荣, 谭朱江, 曹建国, 彭康龙, 陈土容, 龚蓉, 陈钦儿. 四格移步试验在平衡功能障碍儿童中的信效度研究[J]. 中国儿童保健杂志, 2021, 29(3): 309-312.

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