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Gait Posture. 2013 Jan;37(1):135-7. doi: 10.1016/j.gaitpost.2012.06.007. Epub 2012 Jul 20.

Test-retest reliability of dynamic plantar loading and foot geometry measures in diabetics with peripheral neuropathy.

Author information

1
Department of Sport and Exercise Science, The University of Auckland, New Zealand. jason.gurney@otago.ac.nz

Abstract

Pedobarography is commonly employed in patients with diabetic peripheral neuropathy (DPN). However there is no evidence regarding test-retest reliability of this technique in this population, and therefore it was the purpose of the current study to address this clear gap. Dynamic plantar loading and foot geometry data were collected during barefoot gait with the EMED platform (Novel GmbH, Germany) from 10 patients with DPN over two sessions, separated by 28 days. Intra-class Correlation Coefficients (ICCs) and Coefficients of Variation (CoVs) were calculated to determine test-retest reliability. For dynamic plantar loading, reliability differed by outcome measure and foot region, with ICCs of >0.8 and CoVs of <15% observed in most cases. For dynamic foot geometry, ICCs of >0.88 and CoVs of <3% were observed for hallux angle, arch index and coefficient of spreading, while sub-arch angle was less reliable (ICC 0.76, CoV 23%). Overall, the current study observed high levels of test-retest reliability which were generally commensurate with that previously reported in healthy populations.

PMID:
22819069
DOI:
10.1016/j.gaitpost.2012.06.007
[Indexed for MEDLINE]

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