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Table 4 Sub-analysis in the patient subgroup of moderate and severe aortic stenosis

From: Quantification of aortic stenosis diagnostic parameters: comparison of fast 3 direction and 1 direction phase contrast CMR and transthoracic echocardiography

 

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

0.63

0.09–0.88

0.0276

−0.6 ± 0.5 m/s

0.76

0.33–0.93

0.0040

−0.3 ± 0.4 m/s

0.5852

Vpeak

0.70

0.22–0.91

0.0107

−0.4 ± 0.5 m/s

0.83

0.48–0.95

0.0009

0.2 ± 0.4 m/s

0.5229

MG

0.71

0.23–0.91

0.0093

−13.5 ± 10.5 mmHg

0.79

0.39–0.94

0.0022

−4.6 ± 8.6 mmHg

0.7048

PG

0.68

0.17–0.90

0.0151

−10.2 ± 15.4 mmHg

0.82

0.47–0.95

0.0011

3.9 ± 12.3 mmHg

0.4843

VTI

0.69

0.19–0.91

0.0128

−10.3 ± 16.0 cm

0.76

0.32–0.93

0.0045

−1.3 ± 15.0 cm

0.7726

SVa

0.64

0.11–0.89

0.0250

10.8 ± 21.7 ml

0.77

0.34–0.93

0.0037

−10.0 ± 15.7 ml

0.5958

AVACine

0.70

0.17–0.91

0.0171

0.36 ± 0.39 cm2

0.69

0.16–0.91

0.0184

0.23 ± 0.35 cm2

0.9831

AVAFlow

0.68

0.13–0.91

0.0216

0.46 ± 0.35 cm2

0.73

0.24–0.93

0.0099

0.06 ± 0.27 cm2

0.8197

  1. r Pearson’s correlation coefficient; 95% confidence interval for r, SD standard deviation, Vmean Mean velocity, Vpeak peak velocity, MG Mean Gradient, PG peak gradient, VTI velocity time integral, SV stroke volume. AVACine = SV cine/PC-CMR VTI AV, AVAFlow = SVPC/PC-CMR VTI AV
  2. aSV correlation was compared to Cine SV
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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