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Table 1 Clinical and CMR Characteristics of Healthy Volunteers

From: Fractal analysis of left ventricular trabeculations is associated with impaired myocardial deformation in healthy Chinese

 

All (n = 180)

Male (n = 91)

Female (n = 89)

p

Clinical parameters

 Age, years

46.0 [34.0, 56.0]

44.0 [35.0, 55.5]

46.0 [33.0, 57.0]

0.822

 Height, m

1.65 ± 0.09

1.72 ± 0.07

1.58 ± 0.06

<0.001

 Weight, kg

60.8 [53.5, 75.0]

73.0 [63.2, 81.3]

54.8 [48.8, 58.7]

<0.001

 Body mass index, kg/m2

22.7 [20.9, 25.4]

24.6 [22.3, 26.1]

21.5 [20.3, 23.1]

<0.001

 Body surface area, m2

1.66 [1.55, 1.88]

1.87 [1.71, 1.95]

1.55 [1.47, 1.62]

<0.001

 Heart rate, beats per min

75 [67, 83]

75 [67, 84]

75 [67, 82]

0.483

 Systolic BP, mmHg

130 ± 16

137 ± 14

123 ± 14

<0.001

 Diastolic BP, mmHg

79 ± 11

84 ± 10

74 ± 9

<0.001

Cardiovascular magnetic resonance

 LV EDV, mL

124 [108, 148]

144 [125, 161]

109 [95, 122]

<0.001

 LV ESV, mL

50 [41, 61]

59 [51, 69]

41 [34, 48]

<0.001

 LV SV, mL

74 [65, 87]

83 [72, 95]

66 [61, 74]

<0.001

 LV mass, g

76 ± 22

93 ± 16

58 ± 10

<0.001

 Mass/EDV ratio

0.59 ± 0.11

0.64 ± 0.10

0.54 ± 0.09

<0.001

 LA volume, mL

85 ± 20

91 ± 19

80 ± 19

<0.001

 LVEF, %

60 ± 5

58 ± 5

62 ± 5

<0.001

 Indexed LV EDV, mL/m2

74 [67, 82]

79 [72, 86]

70 [65, 78]

<0.001

 Indexed LV ESV, mL/m2

30 [25, 33]

32 [29, 36]

26 [24, 31]

<0.001

 Indexed LV SV, mL/m2

44 [41, 50]

46 [41, 51]

43 [40, 49]

0.077

 Indexed LV mass, g/m2

44 ± 9

50 ± 7

38 ± 5

<0.001

 Indexed LA volume, mL/m2

50 ± 10

49 ± 10

51 ± 11

0.240

LV Trabeculation

 Global FD

1.205 ± 0.031

1.216 ± 0.029

1.195 ± 0.029

<0.001

 Mean apical FD

1.216 ± 0.046

1.235 ± 0.040

1.197 ± 0.044

<0.001

 Maximal apical FD

1.278 ± 0.045

1.293 ± 0.039

1.261 ± 0.045

<0.001

 NC/C ratio (ED, LAX)

1.72 [1.60, 1.84]

1.72 [1.57, 1.86]

1.71 [1.61, 1.81]

0.749

LV Global strain

 

 Circumferential, %

−21.2 ± 2.8

−19.6 ± 2.1

−22.7 ± 2.6

<0.001

 Radial, %

48.3 ± 10.9

42.7 ± 8.1

53.9 ± 10.5

<0.001

 Longitudinal, %

−19.8 ± 2.7

−18.5 ± 2.1

−21.4 ± 2.7

<0.001

LV Global strain rate (Systolic)

 Circumferential, 1/s

−1.14 ± 0.36

−1.15 ± 0.26

−1.12 ± 0.44

0.481

 Radial, 1/s

2.80 ± 1.05

2.58 ± 0.97

3.01 ± 1.09

0.001

 Longitudinal, 1/s

−1.15 ± 0.25

−1.09 ± 0.21

−1.21 ± 0.27

0.001

LV Global strain rate (Diastolic)

 Circumferential, 1/s

1.42 ± 0.34

1.30 ± 0.34

1.55 ± 0.30

<0.001

 Radial, 1/s

−3.43 ± 1.04

−2.99 ± 0.94

−3.88 ± 0.93

<0.001

 Longitudinal, 1/s

1.28 ± 0.32

1.17 ± 0.28

1.40 ± 0.31

<0.001

  1. Abbreviations: BP blood pressure, LV left ventricular, EDV end-diastolic volume, ESV end-systolic volume, SV stroke volume, LA left atrial, FD fractal dimension, NC/C non-compacted:compacted ratio, ED end-diastolic, LAX long axis view. Data presented in either mean ± standard deviation for normally distributed data or median [interquartile range] for non-normally distributed data
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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