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. 2018 Nov 5;20:71. doi: 10.1186/s12968-018-0496-1

Fig. 5.

Fig. 5

Correlation between fast LA phasic strain (left column)/strain rate (right column) and Ln NT-proBNP level in heart failure patients. Note here that absolute values of SRe and SRa were used in the correlation analysis. *NT-proBNP results were available in 20 HFpEF and 20 HFmrEF patients