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. 2015 Aug 19;15:32. doi: 10.1186/s12880-015-0075-y

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© De Crop et al. 2015

Open Access This 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. 5 — Mean noise versus mAs for B70, I70/1, I70/3 and I70/5. The error bars in the y direction represent the standard deviation between noise measurements in 11 following slices in the Catphan uniformity module. $\frac{a}{\sqrt{m A s}}$ regression curves were added