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. 2017 Jul 25;8:361. doi: 10.3389/fneur.2017.00361

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Copyright © 2017 Bonora, Mancini, Carpinella, Chiari, Ferrarin, Nutt and Horak.

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) or licensor 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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Instrumental parameters extracted from wearable sensors during One-Leg Stance on the most affected side for healthy controls (HC), idiopathic Parkinson’s disease without freezing of gait (iPD-noFOG), idiopathic Parkinson’s disease with freezing of gait (iPD-FOG), and frontal gait disorders (FGD) groups. (A) Time-to-peak, (B) peak-to-balance, (C) balance duration, (D) peak of mediolateral trunk acceleration [mediolateral (ML)-peak]. Circles and whiskers represent, respectively, mean and SE adjusted for age through analysis of covariance procedure. *p < 0.05, **p < 0.01, ***p < 0.001 (Bonferroni–Holm post hoc comparison).