Table 3.

Correlation between TTE and TEE measurements

Measure		r2	Beta	95% CI	p
Retro-aortic rim		0.6	0.93	0.82 to 1.1	<0.001
Defect size
Subcostal frontal vs. maximum size on TEE		0.22	0.54	0.38 to 0.70	<0.001
Subcostal sagittal vs. maximum size on TEE		0.28	0.67	0.50 to 0.83	<0.001
Apical 4 chamber vs. maximum size on TEE		0.32	0.58	0.44–0.71	<0.001
Subcostal frontal vs. balloon size on TEE		0.29	0.77	0.57 to 0.96	<0.001
Subcostal sagittal vs. balloon size on TEE		0.26	0.79	0.58 to 1.01	<0.001
Apical 4 chamber vs. balloon size on TEE		0.31	0.70	0.53 to 0.88	<0.001
Septal length
Subcostal frontal vs. maximum length on TEE		0.19	0.31	0.21 to 0.40	<0.001
Subcostal sagittal vs. maximum length on TEE		0.22	0.32	0.22 to 0.42	<0.001
Apical 4 chamber vs. maximum length on TEE		0.28	0.40	0.29 to 0.50	<0.001

Abbreviations: CI confidence interval, TEE tran-esophageal echocardiogram, TTE trans-thoracic echocardiogram

Correlation between TTE and TEE measurements assessed by univariate linear regression.