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. 2015 Jun 18;15:473. doi: 10.1186/s12885-015-1410-y

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© Fu et al. 2015

This article is published under license to BioMed Central Ltd. 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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Fig. 7 — Box-and-Whisker plots. The gene expression levels of HPSE2 (a) and MMP11 (b) from the 32 samples in the training set covering Luminal A (n = 19), Luminal B (n = 3), Triple negative (n = 3) and normal control (n = 7) were shown in the box-and-whisker plots. The plots were generated using GeneSpring 12.6 software. The correlation of fold changes (FC) and normalized intensity (NI) values were calculated using the formula FC (X_n) = 2 ^ [averaged NI (X_n)-averaged NI (X_Control)]. X: individual genes; n: breast cancer subtypes; NI (X_n): Normalized intensity of gene X in subtype n; NI (Control): normalized intensity of gene X in normal samples