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Table 3 Comparison of the CMR and histological parameters between the healthy controls and patients based on segments

From: Association between myocardial extracellular volume and strain analysis through cardiovascular magnetic resonance with histological myocardial fibrosis in patients awaiting heart transplantation

Variables

Healthy subjects

All segments

Segments without LGE

P value

DCM (n)

240

181

117

 

Native T1 time (ms)

1003 ± 30

1081 ± 89*

1054 ± 55*

<  0.001

ECV (%)

24.3 ± 2.4

34.6 ± 7.3*

31.4 ± 4.0*

<  0.001

CVF (%)

14.0 ± 6.5

11.2 ± 3.9#

0.001

T2 mapping (ms)

45 ± 3

50 ± 6*

48 ± 4*

<  0.001

ICM (n)

240

148

80

 

Native T1 time (ms)

1003 ± 30

1070 ± 93*

1076 ± 75*

<  0.001

ECV (%)

24.3 ± 2.4

37.4 ± 12.4*

30.2 ± 5.1*#

< 0.001

CVF (%)

16.8 ± 10.3

11.4 ± 4.4#

< 0.001

T2 mapping (ms)

45 ± 3

47 ± 5*

47 ± 4*

<  0.001

  1. Values are expressed as the mean ± SD
  2. *p < 0.001 vs. controls; #p < 0.05 vs. all segments group
  3. DCM Dilated cardiomyopathy, ICM Ischaemic cardiomyopathy, CMR Cardiovascular magnetic resonance, LGE Late gadolinium enhancement, ECV Extracellular volume, CVF Collagen volume fraction