Application of three-dimensional transesophageal echocardiography in preoperative evaluation of transcatheter aortic valve replacement

Table 2 Comparison and correlation analysis of 3D-TEE and CT measurement of annulus and LVOT

Measurement	Sample size	3D-TEE	CT	CT-TEE	P	Correlation
Measurement	Sample size	3D-TEE	CT	CT-TEE	P	R	P
Systole
Annulus-Da	45	24.52 ± 2.36	25.55 ± 2.59	1.03 ± 0.98	< 0.01	0.93	< 0.01
Annulus-Dp	45	25.69 ± 2.56	26.36 ± 2.67	0.67 ± 1.13	< 0.01	0.91	< 0.01
Annulus-Mean	45	25.24 ± 2.47	25.93 ± 2.61	0.69 ± 1.20	< 0.01	0.89	< 0.01
LVOT-Dp	45	27.57 ± 3.91	28.48 ± 3.92	0.91 ± 2.19	< 0.01	0.84	< 0.01
Diastole
Annulus-Da	45	23.54 ± 2.86	24.86 ± 2.61	1.32 ± 1.46	< 0.01	0.86	< 0.01
Annulus-Dp	45	25.11 ± 2.85	26.02 ± 2.70	0.91 ± 1.28	< 0.01	0.90	< 0.01
Annulus-Mean	45	24.14 ± 2.90	25.44 ± 2.63	1.30 ± 1.63	< 0.01	0.83	< 0.01
LVOT-Dp	45	27.37 ± 4.73	29.79 ± 4.50	2.42 ± 3.59	< 0.01	0.70	< 0.01

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