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Table 2 Cardiac CT parameter of the study population

From: Assessment of regional left ventricular myocardial strain in patients with left anterior descending coronary stenosis using computed tomography feature tracking

Variable

Group I

(n = 24)

Group II

(n = 17)

Group III

(n = 21)

Group IV

(n = 14)

Control

(n = 32)

P values

LVEF (%)

63.3 ± 9

63.6 ± 8

63.1 ± 9

59 ± 13

63.9 ± 7

0.586

LVEDV (ml)

90 ± 19

84.9 ± 30

82.5 ± 19

90.1 ± 17

87 ± 15

0.719

LVESV (ml)

32.8 ± 10

40.6 ± 18

30.9 ± 11

37.3 ± 17

32 ± 10

0.257

CS (%)

 LAD territory (%)

−24.1 ± 4

−25.3 ± 6

−22.4 ± 4*,a

− 22.1 ± 4*,a,b

− 25.4 ± 4

0.062

 Non- LAD territory (%)

−25.6 ± 5

−24.4 ± 4

− 25.9 ± 4

− 22.9 ± 5

−27.4 ± 5

0.052

 GCS (%)

−25 ± 4

−24.1 ± 4

− 24.7 ± 6

−22.4 ± 4

−26.6 ± 4

0.115

RS (%)

 LAD territory (%)

76.6 ± 25

79.1 ± 42

93.1 ± 56

63 ± 23

88 ± 38

0.186

 Non- LAD territory (%)

90 ± 36

96.5 ± 80

74.9 ± 23

76.4 ± 26

84.3 ± 28

0.74

 GRS (%)

85.1 ± 26

89.1 ± 55

81.4 ± 25

71.7 ± 23

85.3 ± 32

0.628

LS (%)

 LAD territory (%)

−20.8 ± 3

−18.6 ± 4*,a

−18.6 ± 3*,a,b

−17 ± 5*,a,b,c

−23.7 ± 3

<0.001

 Non- LAD territory (%)

−22.0 ± 3

−21.9 ± 3

−21.9 ± 2

−20 ± 4

− 22.0 ± 4

0.488

 GLS (%)

−20.1 ± 2

−20.3 ± 3*

− 20.5 ± 3*,a

−18.7 ± 4*,a,b,c

−22.9 ± 3

<0.001

  1. All data are expressed as the mean ± SD, percentage (number of participants), or median (interquartile range), as appropriate
  2. *P < 0.05 compared with normal controls
  3. aP < 0.05 compared with groups I
  4. bP < 0.05 compared with groups II
  5. cP < 0.05 compared with groups III
  6. HR heart rate, LVEF left ventricular ejection fraction. LVEDV left ventricular end-diastolic volume, LVESV left ventricular end-systolic volume, RS radial strain, CS circumferential strain, LS longitudinal strain, GRS global radial strain, GCS global circumferential strain, GLS global longitudinal strain