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. 2016 Jun 1;16:115. doi: 10.1186/s12877-016-0287-1

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Difference in neuropsychiatric symptoms for patients using 0, 1, 2 or ≥3 psychotropics. Mean NPI-NH scores (95 % CI) for the sub-syndromes affective symptoms, agitation and psychosis (left- axis, dotted colored lines), and mean total NPI-NH score (right axis, solid black line). X-axis represents patients using 0 to ≥3 psychotropic drugs. NPI-NH Neuropsychiatric Inventory – Nursing Home version, CI confidence interval