Table 6.

Mean annular dimensions derived from echocardiography (LVOT) and MDCT

Diameter	Mean ± SD [mm]	Mean difference from LVOT	95% LOA	Sign. (2-sided)
LVOT	21.1 ± 1.4			p < 0.001
Short	22.3 ± 1.7	1.3 ± 1.8	– 2.2 to 4.8	p < 0.001
DA	24.5 ± 1.7	3.4 ± 1.7	0.1 to 6.7	p < 0.001
Mean	25.0 ± 1.7	4.0 ± 1.7	0.7 to 7.3	p < 0.001
DP	25.2 ± 1.8	4.2 ± 1.8	0.7 to 7.3	p < 0.001
Long	27.7 ± 2.0	6.7 ± 2.0	2.8 to 10.6	p < 0.001

D_A area derived effective diameter, D_p perimeter derived effective diameter, LOA limits of agreement, LVOT left ventricular outflow tract, MDCT multidetector computed tomography, mm millimeter, SD standard deviation, sign. significance