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. 2014 Dec 9;4(12):e005360. doi: 10.1136/bmjopen-2014-005360

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Adapted from Carpenter et al correlated T2* values to myocardial iron content. The regression (solid line) and 95% confidence bands (dotted lines) are shown and derived from analysis of the log-log data shown in E. (A) R2* plotted versus myocardial iron concentration measured from each myocardial region of interest (ROI). (B) R2* versus myocardial iron concentration excluding heart 4. (C) Mean R2* plotted versus mean iron concentration for each heart. (D) Mean R2* versus mean iron concentration excluding heart 4. (E) ln(R2*) plotted versus ln((Fe)) for all ROIs, including heart 4, showing the best-fit linear regression line. (F) Mean midseptal R2* versus mean whole-heart R2* plotted against the line of identity showing that the septal R2* value is highly representative of the whole-heart R2*.