Table 2. Pearson Correlations of conventional echocardiogram measurements of 2D EF and GLS versus the proposed MCE parameters of PE, WiR, and PA in the specified cohorts.

	1 week 2D EF vs			2 week 2D EF vs			1 week GLS vs			2 week GLS vs
	PA	PE	WiR	PA	PE	WiR	PA	PE	WiR	PA	PE	WiR
r	0.77	0.76	0.67	0.86	0.85	0.57	−0.80	−0.65	−0.53	−0.88	−0.88	−0.52
CI	0.27 to 0.94	0.25 to 0.94	0.06 to 0.91	0.51 to 0.97	0.48 to 0.96	−0.09 to 0.88	−0.95 to −0.35	−0.91 to −0.04	−0.87 to 0.15	−0.97 to −0.56	−0.97 to −0.55	−0.87 to 0.17
P	0.009	0.011	0.036	0.002	0.002	0.086	0.005	0.042	0.11	<0.001	<0.001	0.13

Notes:

n = 4 for all sham-operated cohorts and n = 6 for all MI cohorts.

MCE, myocardial contrast echocardiography; GLS, global longitudinal strain; 2D EF, two-dimensional ejection fraction percent; PE, peak enhancement; WiR, wash-in-rate; PA, percent agent.