足姿指数评价足部位置的信效度研究

doi:10.3969/j.issn.1006-9771.2020.10.012

Abstract

Abstract:

Objective To explore the reliability and validity of Foot Posture Index (FPI) scoring system in evaluating foot posture in China.
Methods From September to October, 2019, two testers (tester 1, tester 2) evaluated the foot posture of 15 adult volunteers (30 legs) aged 20 to 40 years after mastering the FPI-6 scoring system. They were tested first by two testers on the same day, and after two weeks, they were retested by tester 1. The intra-group correlation coefficient (ICC) was calculated to evaluate the test-retest reliability and the inter-tester reliability, and the MedCalc was used to perform the Bland-Altman plot. The correlation between the scores of items and scale was analyzed with Spearman analysis, and the items were analyzed with factor analysis.
Results The ICC of the test-retest and inter-tester reliability of each item and total score of FPI were higher than 0.75. The mean difference in FPI scores between the testers was -0.133 and the limits of agreement was (-1.82, 1.55). All items scores were correlated with the total score (P < 0.05); three factors were extracted with the cumulative contribution more than 80%.
Conclusion The FPI-6 scoring system is reliable and valid, to evaluate foot posture for Chinese.

Key words: foot posture index, foot posture, reliability, validity

CLC Number:

CHEN Ze-hua,YE Xiang-ling,CHEN Wei-jian,XU Xue-meng. Reliability and Validity of Foot Position Index for Foot Posture Assessment[J]. 《Chinese Journal of Rehabilitation Theory and Practice》, 2020, 26(10): 1193-1197.

Figures/Tables 6

References 24

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项目	ICC	95%CI	P值
距骨头触诊	0.980	0.957~0.990	< 0.01
外踝上下曲率	0.807	0.637~0.903	< 0.01
跟骨额平面位置	0.946	0.889~0.974	< 0.01
距骨关节区隆起	0.839	0.688~0.920	< 0.01
内侧纵弓高度和弧度	0.861	0.728~0.932	< 0.01
足趾可见度	0.916	0.831~0.959	< 0.01
FPI总分	0.915	0.829~0.958	< 0.01

项目	ICC	95% CI	P值
距骨头触诊	0.982	0.959~0.992	< 0.01
外踝上下曲率	0.907	0.793~0.957	< 0.01
跟骨额平面位置	0.829	0.642~0.918	< 0.01
距骨关节区隆起	0.895	0.768~0.951	< 0.01
内侧纵弓高度和弧度	0.805	0.573~0.909	< 0.01
足趾可见度	0.935	0.864~0.969	< 0.01
FPI总分	0.956	0.908~0.979	< 0.01

评定者	FPI评分	足部姿势(n)
评定者	FPI评分	旋前位	中立位	旋后位
1	3.30±2.41	7	22	1
2	3.37±2.27	6	23	1
t/χ²值	-0.255		0.099
P值	0.816	0.952

项目	r值	P值
距骨头触诊	0.560	< 0.01
外踝上下曲率	0.454	< 0.05
跟骨额平面位置	0.650	< 0.05
距骨关节区隆起	0.483	< 0.05
内侧纵弓高度和弧度	0.424	< 0.05
足趾可见度	0.482	< 0.01

条目	成分
条目	1	2	3
距骨头触诊	0.897
外踝上下曲率	0.812
跟骨额平面位置		0.856
距骨关节区隆起		0.594
内侧纵弓高度和弧度			0.780
足趾可见度			0.592

Reliability and Validity of Foot Position Index for Foot Posture Assessment

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