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. 2020 Oct 15;11:578588. doi: 10.3389/fneur.2020.578588

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Copyright © 2020 Castellucci, Malara, Martellucci, Botti, Delmonte, Quaglieri, Rebecchi, Armato, Ralli, Manfrin, Ghidini and Asprella Libonati.

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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Box plots correlating medians of VOR-gain values at presentation (A–E) and following physical treatment (F–J) for the SC involved by BPPV among overall subjects (53) with identified affected canal divided based on different details. (A,F) Affected semicircular canal. (B,G) Affected side. (C,H) Gender. (D,I) History of recent BPPV. (E,J) History of recent head trauma. Statistically significant differences at the Mann-Whitney U-test are reported. ASC, anterior semicircular canal; BPPV, benign paroxysmal positional vertigo; F, female; M, male; post, post-treatment; pre, at presentation; PSC non-amp, posterior semicircular canal non ampullary arm; SC, semicircular canal; VOR, vestibulo-ocular reflex. Values at a greater distance from the median than 1.5 times the IQR are plotted individually as dots (weak outliers).