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. 2020 Jun 23;43(11):zsaa100. doi: 10.1093/sleep/zsaa100

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© Sleep Research Society 2020. Published by Oxford University Press on behalf of the Sleep Research Society.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — (a) RWA scores as determined by the SINBAR method for subjects with iRBD, prodromal RBD, and other disorders with motor activity during sleep (other). Significant differences were observed between iRBD and other as well as between prodromal RBD and other. (b) The number of REM events as determined from visual video analysis in a subsample of 14 subjects with iRBD and 19 with other sleep disorders were significantly higher in the iRBD group. (c) Regression subsample analysis of the number of REM events per hour and RWA scores showed a significantly positive correlation between these scores. iRBD, isolated RBD; RBD, REM sleep behavior disorder; REM, rapid eye movement; RWA, REM sleep without atonia; SINBAR, Sleep Innsbruck Barcelona.