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Table 2 Inter-modality agreement

From: Measurement accuracy of prototype non-contrast, compressed sensing-based, respiratory motion-resolved whole heart cardiovascular magnetic resonance angiography for the assessment of thoracic aortic dilatation: comparison with computed tomography angiography

Aorta levels

Area (cm2)

Circumference (mm)

Diameter (mm)

CTA

CMRA

ICC

CTA

CMRA

ICC

CTA

CMRA

ICC

Sinus

11.8 ± 2.8

12.0 ± 2.7

0.96

127.6 ± 14.7

130.8 ± 15.7

0.92

39.2 ± 4.9

41.0 ± 5.0

0.90

Sinotubular junction

10.4 ± 2.0

10.4 ± 2.0

0.90

115.5 ± 11.1

116.7 ± 12.1

0.90

36.5 ± 3.5

37.0 ± 3.8

0.89

Mid ascending aorta

14.1 ± 2.6

14.2 ± 2.5

0.94

133.5 ± 13.7

135.7 ± 12.9

0.90

42.3 ± 4.2

43.1 ± 4.2

0.93

Proximal arch

11.4 ± 2.6

11.6 ± 2.7

0.93

120.5 ± 14.3

123.0 ± 14.7

0.86

38.1 ± 4.5

39.1 ± 4.8

0.91

Mid arch

7.7 ± 2.0

7.3 ± 2.0

0.91

98.6 ± 12.4

97.6 ± 13.0

0.94

31.3 ± 4.0

31.1 ± 4.0

0.94

Proximal descending aorta

6.2 ± 1.3

6.0 ± 1.2

0.92

89.0 ± 9.7

88.9 ± 9.1

0.90

28.1 ± 3.1

28.1 ± 3.0

0.84

Mid descending aorta

6.2 ± 3.2

6.1 ± 2.6

0.96

88.0 ± 19.5

87.6 ± 16.7

0.97

27.8 ± 6.2

28.1 ± 5.5

0.97

  1. Area, circumference and diameter measurements on CTA and CMRA at different levels of the thoracic aorta. Data are reported as means with standard deviation. Inter-modality agreement is shown with ICC values
  2. CTA computed tomography angiography, CMRA cardiovascular magnetic resonance angiography, ICC intra-class correlation coefficient