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. 2018 Dec 10;20:81. doi: 10.1186/s12968-018-0491-6

Fig. 5.

Fig. 5

Correlation between mechanical energy and CK flux. a Average (pav) and b peak (pp) power, and c mechanical efficiency in healthy subjects (circles) and HF patients (triangles). Pearson correlation coefficients (r) and their probabilities are indicated (standard errors were 2.79, 13.1 and 16.4 respectively)