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Table 2 Structural metrics in infarcted and control segements

From: Submillimeter diffusion tensor imaging and late gadolinium enhancement cardiovascular magnetic resonance of chronic myocardial infarction

 

Per heart statistics

Per segment statistics

Quantity

Infarcted segments

Control segments

P-value

Infarcted segments

Control segments

P-value

Wall thickness (mm)

5.5 ± 1.1

7.0 ± 0.9

0.041

5.5 ± 2.9

7.0 ± 1.5

<0.001

Scar transmurality

0.42 ± 0.12

NA

NA

0.44 ± 0.30

NA

NA

Inclination angle range (°)

111.0 ± 10.7

112.5 ± 6.8

0.610

109.9 ± 26.1

112.0 ± 15.4

<0.001

Slope (°/mm)

21.6 ± 7.0

15.7 ± 1.1

0.126

21.4 ± 18.7

15.7 ± 3.7

<0.001

Intercept (°)

−60.4 ± 9.1

−54.0 ± 5.3

0.396

−60.9 ± 28.6

−53.9 ± 13.4

<0.001

r2

0.69 ± 0.05

0.93 ± 0.03

0.007

0.69 ± 0.23

0.93 ± 0.07

<0.001

Imbrication angle mean (°)

1.96 ± 11.03

0.84 ± 1.47

0.610

1.08 ± 16.63

0.86 ± 8.39

<0.001

Inclination incoherency (°)

10.05 ± 1.42

5.63 ± 0.56

0.007

9.61 ± 3.19

5.70 ± 1.31

<0.001

Imbrication incoherency (°)

8.62 ± 1.77

4.83 ± 0.58

0.007

8.14 ± 3.67

4.85 ± 1.85

<0.001

LH-ratio

0.51 ± 0.08

0.39 ± 0.05

0.017

0.52 ± 0.22

0.39 ± 0.14

<0.001

Circumferential-ratio

0.26 ± 0.06

0.30 ± 0.04

0.174

0.26 ± 0.17

0.30 ± 0.10

<0.001

RH-ratio

0.23 ± 0.06

0.31 ± 0.03

0.041

0.21 ± 0.18

0.31 ± 0.11

<0.001

  1. Wilcoxon rank-sum test was performed between the infarcted and control segments using (left) per heart statistics (n = 8 infarcted and n = 4 control hearts), and (right) per segment statistics (ninfarcted ~3300, ncontrol ~1800). The values are represented as mean ± STD