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Figure 4 The extent of myocardium at risk versus the extent of region with prolonged TCEC. (A) Plot of the extents of regions with prolonged TCEC measured from the longitudinal M-mode strain-rate maps, and of the myocardium at risk measured from the stained cardiac specimens. Line of identity and the 95% confidence limits are indicated as dashed lines. (B) Bland and Altman analysis of differences between the extent of myocardium at risk and extent of region with prolonged TCEC plotted against their mean. Horizontal dashed lines represent the limits of agreement between the two measurements (Abn.TCEC: abnormal TCEC; M.risk: myocardium at risk).
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