Journal ArticleDOI
Reliability and accuracy of biomechanical measurements of the lower extremities
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TLDR
The reliability of biomechanical measurements of the lower extremities, as they are commonly used in podiatric practice, was quantified by means of intraclass correlation coefficients (ICCs) to evaluate interrater and intrarater reliability but also to provide an estimate for the accuracy of the measurements.Abstract:
The reliability of biomechanical measurements of the lower extremities, as they are commonly used in podiatric practice, was quantified by means of intraclass correlation coefficients (ICCs). This was done not only to evaluate interrater and intrarater reliability but also to provide an estimate for the accuracy of the measurements. The measurement protocol involved 30 asymptomatic subjects and five raters of varying experience. Each subject was measured twice by the same rater, with the retest immediately following the test. The study demonstrated that the interrater ICCs were quite low (≤0.51), except for the measurements of relaxed calcaneal stance position and forefoot varus (both 0.61 and 0.62 for left and right, respectively). However, the intrarater ICCs were relatively high (>0.8) for most raters and measurement variables. Measurement accuracy was moderate between raters. (J Am Podiatr Med Assoc 92(6): 317-326, 2002)read more
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References
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Journal ArticleDOI
The measurement of observer agreement for categorical data
J. R. Landis,Gary G. Koch +1 more
TL;DR: A general statistical methodology for the analysis of multivariate categorical data arising from observer reliability studies is presented and tests for interobserver bias are presented in terms of first-order marginal homogeneity and measures of interob server agreement are developed as generalized kappa-type statistics.
Journal ArticleDOI
Intraclass correlations: uses in assessing rater reliability.
TL;DR: In this article, the authors present guidelines for choosing among six different forms of the intraclass correlation for reliability studies in which n target are rated by k judges, and the confidence intervals for each of the forms are reviewed.
Journal ArticleDOI
Statistical Methodology for the Concurrent Assessment of Interrater and Intrarater Reliability: Using Goniometric Measurements as an Example
TL;DR: It is recommended that when both interrater and intrarater reliability are being assessed, a repeated-measures design be used to take advantage of the increased precision gained by using all observations in the statistical analysis, and appropriate statistical tests, confidence intervals, and SEMs always be used in conjunction with the estimated reliability coefficients.
Journal ArticleDOI
Reliability of goniometric measurements.
TL;DR: The intratester and intertester variability and reliability of goniometric measurements taken by four physical therapists on upper and lower extremity motions of normal male subjects indicate the necessity for using the same tester when effects of treatment are evaluated.
Journal ArticleDOI
Goniometric reliability in a clinical setting. Subtalar and ankle joint measurements.
TL;DR: Goniometric measurements of the STJN position and of PROM of the ankle and STJ appear to be moderately reliable if taken by the same therapist over a short period of time, but with the exception of ankle plantar flexion, these measurements cannot be considered to be reliable between therapists.
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