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Table 1 Conventional parameters of study subjects

From: Preliminary clinical study of left ventricular myocardial strain in patients with non-ischemic dilated cardiomyopathy by three-dimensional speckle tracking imaging

Parameter

NC

(n = 52)

DCM

(n = 54)

P Value

Sex(male/female)

35/17

36/18

NS

Age(years)

47 ± 14

49 ± 11

NS

HR(/min)

72.63 ± 5.01

72.58 ± 5.30

NS

BSA(m2)

1.66 ± 0.11

1.69 ± 0.08

NS

LVDd(cm)

4.49 ± 0.42

7.13 ± 1.01

< 0.001

3D-LVEDV(ml)

81.37 ± 14.71

236.43 ± 84.26

< 0.001

2D-LVEDV(ml)

87.62 ± 16.12

241.82 ± 81.35

< 0.001

3D-LVESV(ml)

30.77 ± 6.07

169.60 ± 71.40

< 0.001

2D-LVESV(ml)

31.51 ± 6.41

172.23 ± 68.55

< 0.001

3D-LVEF(ml)

62.31 ± 2.56

30.87 ± 8.41

< 0.001

2D-LVEF(ml)

64.16 ± 2.59

33.77 ± 8.51

< 0.001

3D-LVEDVI(ml/m2)

48.84 ± 7.89

138.69 ± 47.93

< 0.001

3D-LVESVI(ml/m2)

18.44 ± 3.31

99.48 ± 41.00

< 0.001

  1. Values given as mean ± SD. NS = not significant
  2. LVDd = left ventricular end-diastolic diameter; BSA = body surface area; LVEDV = left ventricular end-diastolic volume; LVESV = left ventricular end-systolic volume; LVEF = left ventricular ejection fraction; LVEDVI = LVEDV/BSA; LVESVI = LVESV/BSA