Table 3.

Comparison of 1Dir and 3Dir PC-CMR derived parameters with TTE

	1Dir PC-CMR x TTE				3Dir PC-CMR x TTE				Comparisons of r
	r	95% CI	p-value	Bias ± SD	r	95% CI	p-value	Bias ± SD	p-value
Vmean	0.77	0.50–0.90	<0.0001	−0.5 ± 0.4 m/s	0.80	0.56–0.91	<0.0001	−0.2 ± 0.4 m/s	0.6541
Vpeak	0.81	0.58–0.92	<0.0001	−0.2 ± 0.5 m/s	0.87	0.71–0.95	<0.0001	0.2 ± 0.4 m/s	0.5117
MG	0.79	0.55–0.91	<0.0001	−9.5 ± 9.3 mmHg	0.83	0.62–0.93	<0.0001	−2.9 ± 7.6 mmHg	0.7555
PG	0.78	0.53–0.91	<0.0001	−5.5 ± 13.3 mmHg	0.87	0.69–0.94	<0.0001	4.1 ± 11.2 mmHg	0.4270
VTI	0.72	0.41–0.88	0.0003	−3.9 ± 16.3 cm	0.80	0.56–0.91	<0.0001	1.6 ± 14.6 cm	0.5631
SVa	0.75	0.47–0.90	0.0001	9.7 mL ± 17.8 mL	0.81	0.57–0.92	<0.0001	−7. 4 mL ± 13.3 ml	0.6749
AVACine	0.61	0.22–0.83	0.0056	0.31 ± 0.37 cm2	0.61	0.21–0.83	0.0057	0.22 ± 0.33 cm2	0.9939
AVAFlow	0.64	0.27–0.85	0.0030	0.43 ± 0.32 cm2	0.66	0.29–0.86	0.0023	0.09 ± 0.30 cm2	0.9427

r Pearson’s correlation coefficient; 95% confidence intervaI for r, SD standard deviation, Vmean Mean velocity, Vpeak peak velocity, MG Mean Gradient, PG peak gradient, VTI velocity time integral, SV stroke volume, AVA_Cine = SV cine/PC-CMR VTI AV, AVA_Flow = SV_PC/PC-CMR VTI AV

^aSV correlation was compared to Cine SV