Relationship between Echocardiographic and Magnetic Resonance-Derived Measurements of the Thoracic Aorta in Turner Syndrome Patients

Table 4

Frequencies of aortic dilatation in different levels measured by 2Decho and MRI.

	Frequency of 2D echo indicated aortic dilatation (%)	Frequency of MRI indicated aortic dilatation (%)	value
Sinus (M1/D1)	38	52	<0.001
Sinotubular junction (M2/D2)	18	10	0.004
Ascending aorta (M3/D3); (M3/D4)	32	22; 12	0.001
			0.034
Aortic arch (M4/D5); (M4/D6)	2	4	0.835
		0	—
Descending aorta (M5/D7); (M5/D8); (M5/D9)	0	0	—
		0
		0

value was calculated using the χ² criterion.