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. 2014 Dec 5;18(6):655. doi: 10.1186/s13054-014-0655-1

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© Sneyers et al.; licensee BioMed Central. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Perceived indications where sedatives (propofol or benzodiazepines) are frequently used. To determine indications where sedatives such as propofol or benzodiazepines were used, participants were asked to tick one of the four following choices: ‘never’, ‘rarely’, ‘frequently’ and ‘very frequently’. The answers were compiled in two categories: ‘never or rarely’ and ‘(very) frequently’. The latter category is presented in the figure. *Difference between groups is statistically significant (P < 0.05), P value calculated using chi-square test.