Table 4 Spearman correlation and Bland–Altman analysis of TTE and CMR measurements.

From: Comparison of cine cardiac magnetic resonance and echocardiography derived diameters of the aortic root in a large population-based cohort

 

Spearman correlation

Bland–Altman analysis

Correlation coefficient

p-value

Bias (mean)

95% limits of agreement

AoAn: TTE II vs. CMR LAX

0.559

 < 0.001

1.26

[− 3.46, 5.98]

AoAn: TTE II vs. CMR LVOT

0.514

 < 0.001

3.9

[− 1.44, 9.24]

AoAn: TTE LL vs. CMR LAX

0.573

 < 0.001

0.39

[− 4.27, 5.05]

AoAn: TTE LL vs. CMR LVOT

0.541

 < 0.001

3.02

[− 2.2, 8.25]

SoV: TTE II vs. CMR LAX

0.846

 < 0.001

 − 0.1

[− 4.47, 4.26]

SoV: TTE II vs. CMR LVOT

0.751

 < 0.001

 − 0.71

[− 6.45, 5.03]

SoV: TTE LL vs. CMR LAX

0.847

 < 0.001

 − 1.49

[− 5.88, 2.9]

SoV: TTE LL vs. CMR LVOT

0.746

 < 0.001

 − 2.12

[− 7.91, 3.66]

STJ: TTE II vs. CMR LAX

0.807

 < 0.001

 − 0.7

[− 4.77, 3.37]

STJ: TTE II vs. CMR LVOT

0.807

 < 0.001

 − 0.74

[− 4.59, 3.1]

STJ: TTE LL vs. CMR LAX

0.804

 < 0.001

 − 2.54

[− 6.78, 1.69]

STJ: TTE LL vs. CMR LVOT

0.818

 < 0.001

 − 2.58

[− 6.59, 1.44]

  1. II inner-edge to inner-edge, LL leading-edge to leading-edge. Other abbreviations as in Table 2.
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