Table Info

Table 1.

Correlations between echo-derived estimates of myocardial work with cardiac index and stroke volume index

Echo-derived parameters	Cardiac index		Stroke volume index
Echo-derived parameters	Spearman’s Rho (95% confidence intervals)	p value	Spearman’s Rho (95% confidence intervals)	p value
GWI, mmHg%	0.679 (0.317–0.868)	0.001	0.512 (0.087–0.779)	0.015
GWE, %	0.560 (0.148–0.806)	0.007	0.562 (0.151–0.807)	0.006
GCW, mmHg%	0.606 (0.210–0.831)	0.003	0.409 (–0.034; 0.718)	0.059
GWW, mmHg%	–0.244 (–0.608; 0.204)	0.275	–0.447 (–0.741; –0.009)	0.037
TAPSE, mm	0.518 (0.194–0.740)	0.003	0.479 (0.144–0.716)	0.007
TAPSE/PASP, mm/mmHg	0.148 (–0.224; 0.483)	0.434	0.193 (–0.180; 0.517)	0.517

GWI: global work index; GWE: global work efficiency; GCW: global constructive work; GWW: global wasted work; TAPSE: tricuspid annular plane systolic excursion; PASP: pulmonary artery systolic pressure

Supplementary materials

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Declarations

Author contributions

MA: Conceptualization, Investigation, Writing—original draft, Writing—review & editing. CDL, LS, SS, AG, AT, GT, CS, BP: Data curation, Investigation, Writing—review & editing. CK: Formal analysis. SG: Conceptualization, Validation, Writing—review & editing, Supervision. All authors read and approved the submitted version.

Conflicts of interest

The authors declare that they have no conflicts of interest.

Ethical approval

The study complies with the Declaration of Helsinki. Ethical approval for this study is not required as this is a retrospective study.

Consent to participate

Consent to participate in this study is not required as this is a retrospective study.

Consent to publication

Not applicable.

Availability of data and materials

The data of this manuscript could be available from the corresponding authors upon reasonable request.

Funding

Not applicable.

Copyright

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