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. 2019 May 29;10:565. doi: 10.3389/fneur.2019.00565

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Copyright © 2019 Wang, Cui, Liu, Zhang, Liu, Ding and Hu.

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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ROC curves for the EDB/AH CMAP amplitude ratio and EDB F-wave variables. Receiver operator characteristic (ROC) curve analysis revealed that the minimal, maximal and mean F-wave latencies, mean F/M amplitude ratio, and index Freqs of the EDB appeared to strongly differentiate patients with ALS from the HCs compared with the EDB/AH CMAP amplitude ratio. These F-wave variables of the EDB had areas under the curve (AUCs) > 0.8.