Table 2.

Pearson’s R correlation of all measurements (TTE and CT linear dimensions, and CT measured aortic root area)

	CT aortic root area (95% CI)	TTE	CT short axis (maximal dimension)	CT short axis (NCC-RCC)	CT short axis (RCC-comm)	CT 3Ch	CT coronal
CT aortic root area		0.924	0.969	0.959	0.965	0.941	0.965
TTE	0.924 (0.88–0.95)		0.882	0.905	0.926	0.896	0.878
CT short axis (maximal dimension)	0.969 (0.95–0.98)	0.882		0.946	0.935	0.913	0.955
CT short axis (NCC-RCC)	0.959 (0.94–0.97)	0.905	0.946		0.956	0.921	0.925
CT short axis (RCC-comm)	0.965 (0.94–0.98)	0.926	0.935	0.956		0.933	0.922
CT 3Ch	0.941 (0.91–0.96)	0.896	0.913	0.921	0.933		0.899
CT coronal	0.965 (0.94–0.98)	0.878	0.955	0.925	0.922	0.899

TTE, transthoracic echocardiography..

All p < 0.001.