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Reliability and Correlation Analysis of Computed Methods to Convert Conventional 2D Radiological Hindfoot Measurements to 3D Equivalents Using Weight Bearing CT

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Weight Bearing Cone Beam Computed Tomography (WBCT) in the Foot and Ankle

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Abstract

To assess the use of computed methods to convert standard hindfoot 2D measurements towards their 3D equivalents. Forty-eight patients, mean age 39.6 ± 13.2 years, with absence of hindfoot pathology were included. A WBCT allowed to perform 2D and 3D hindfoot measurements.

The mean HA2D was 0.79° ± 3.2 valgus, and HA3D was 8.08° ± 6.5 valgus and differed significantly (P < 0.001). The correlation was good r = 0.72. The ICC3D showed to be excellent when compared to the ICC2D, which was good. Similar findings were obtained in other angles. This study shows a good correlation between 2D and 3D hindfoot measurements but a higher reliability of 3D measurements.

Based on Burssens A, Peeters J, Peiffer M, Marien R, Lenaerts T, WBCT ISG, Vandeputte G, Victor J. Reliability and correlation analysis of computed methods to convert conventional 2D radiological hindfoot measurements to a 3D setting using weight bearing CT. Int J Comp Assisted Radiol Surg 2018;13(12): 1999–2008 [50].

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Acknowledgments

The authors wish to thank Ir. Karim Chellaoui, as a clinical engineer for his attributive remarks to the study design and thorough review of the statistics.

The linguistic and structural support was provided by Maxwell Weinberg, research assistant at the University of Utah and Hannes Van Wynendaele, MLing of Ugent.

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  1. Department of Orthopaedics and Trauma, University Hospital of Ghent, Ghent, Oost-Vlaanderen, Belgium

    Arne Burssens

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Correspondence to Arne Burssens .

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Burssens, A. (2020). Reliability and Correlation Analysis of Computed Methods to Convert Conventional 2D Radiological Hindfoot Measurements to 3D Equivalents Using Weight Bearing CT. In: Weight Bearing Cone Beam Computed Tomography (WBCT) in the Foot and Ankle. Springer, Cham. https://doi.org/10.1007/978-3-030-31949-6_10

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  • DOI: https://doi.org/10.1007/978-3-030-31949-6_10

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  • Online ISBN: 978-3-030-31949-6

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