Reliability of foot posture index (FPI-6) for evaluating foot posture in patients with knee osteoarthritis.

Autor:	Wang Y; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Chen Z; The Orthopedics Hospital of Traditional Chinese Medicine Zhuzhou city, Zhuzhou, China., Wu Z; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Li J; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Li C; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Yang J; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Chen W; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Ye Z; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Shen X; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China., Jiang T; Guangdong Provincial Second Hospital of Traditional Chinese Medicine, Guangzhou, China., Liu W; Guangdong Provincial Second Hospital of Traditional Chinese Medicine, Guangzhou, China., Xu X; The Fifth Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China.; Guangdong Provincial Second Hospital of Traditional Chinese Medicine, Guangzhou, China.
Jazyk:	angličtina
Zdroj:	Frontiers in bioengineering and biotechnology [Front Bioeng Biotechnol] 2023 Jan 18; Vol. 11, pp. 1103644. Date of Electronic Publication: 2023 Jan 18 (Print Publication: 2023).
DOI:	10.3389/fbioe.2023.1103644
Abstrakt:	Objective: To determine the reliability of FPI-6 in the assessment of foot posture in patients with knee osteoarthritis (KOA). Methods: Thirty volunteers with KOA (23 females, 7 males) were included in this study, assessed by two raters and at three different moments. Inter-rater and test-retest reliability were assessed with Cohen's Weighted Kappa (Kw) and Intraclass Correlation Coefficient (ICC). Bland-Altman plots and respective 95% limits of agreement (LOA) were used to assess both inter-rater and test-retest agreement and identify systematic bias. Moreover, the internal consistency of FPI-6 was assessed by Spearman's correlation coefficient. Results: FPI-6 total score showed a substantial inter-rater (Kw = .66) and test-retest reliability (Kw = .72). The six items of FPI-6 demonstrated inter-rater and test-retest reliability varying from fair to substantial (Kw = .33 to .76 and Kw = .40 to .78, respectively). Bland-Altman plots and respective 95% LOA indicated that there appeared no systematic bias and the acceptable agreement of FPI-6 total score for inter-rater and test-retest was excellent. There was a statistically significant positive correlation between each item and the total score of FPI-6, which indicated that FPI-6 had good internal consistency. Conclusion: In conclusion, the reliability of FPI-6 total score and the six items of FPI-6 were fair to substantial. The results can provide a reliable way for clinicians and researchers to implement the assessment of foot posture in patients with KOA. Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. (Copyright © 2023 Wang, Chen, Wu, Li, Li, Yang, Chen, Ye, Shen, Jiang, Liu and Xu.)
Databáze:	MEDLINE
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