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. 2021 Feb 5;12:625565. doi: 10.3389/fneur.2021.625565

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Copyright © 2021 Olde Dubbelink, De Kleermaeker, Beekman, Wijntjes, Bartels, Meulstee and Verhagen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Data of three hospitals combined showing the number of patients with abnormal ultrasonography (US) results. Comparison of the fixed cut-off value (FC), the wrist circumference-dependent cut-off value (WDC) and the flow-dependent cut-off value (IFC). US results were more often abnormal both with the FC (p = 0.031) and the WDC (p = 0.001) compared with the IFC. P-values calculated with McNemar's test.