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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/).
Normalized absolute percentage error (NAPE) of neural network predictions for all gait parameters and various sensors configurations grouped by subject cohort (OA and TKA) in the test set. For each gait parameter, sensor configurations are listed in order of increasing NAPE.