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. 2017 Mar 7;43:26. doi: 10.1186/s13052-017-0343-2

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© The Author(s). 2017

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. 3 — Pain assessment in Italy and all participating countries in Europe. EU include: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Lithuania, Malta, Netherlands, Norway, Poland, Portugal, Spain, Sweden, United Kingdom. ITA = pain assessment in Italian NICU admissions, PA_EU = pain assessment in other European NICU admissions, IV = pain assessment in invasive ventilation group, NIV = pain assessment in non-invasive ventilation group, SR = pain assessment in spontaneous ventilation group. Chi-square test p < 0.001