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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Comparison of the categorization of the cut-off values for the TUG test [16]. All measurement values were adjusted via the corresponding linear regressions and rounded. Since no TUG performance took over 19 s, the additional classes were excluded.