Table 2 Clinical characteristics and computed tomography findings by electrocardiogram voltage criteria

From: The clinical value of apex beat and electrocardiography for the detection of left ventricular hypertrophy from the standpoint of the distance factors from the heart to the chest wall: a multislice CT study

 

Sokolow–Lyon voltage

Cornell voltage

 

<3.5 mV (N=108)

⩾3.5 mV (N=43)

P

<2.8 mV in men or <2.0 mV in women (N=123)

⩾2.8 mV in men or ⩾2.0 mV in women (N=28)

P

Age, years

64±11

62±10

0.206

64±10

62±11

0.408

Male, n

77 (71%)

31 (72%)

0.922

91 (74%)

17 (61%)

0.160

Hypertension, n

75 (69%)

34 (79%)

0.234

88 (72%)

21 (75%)

0.713

Hypercholesterolemia, n

54 (50%)

17 (40%)

0.245

58 (47%)

13 (46%)

0.945

Diabetes mellitus, n

36 (33%)

5 (12%)

0.007

36 (29%)

5 (18%)

0.220

Smoking, n

30 (28%)

14 (33%)

0.560

38 (31%)

6 (21%)

0.320

Body mass index, kg m−2

24.0±3.8

23.9±4.2

0.905

23.6±4.0

25.2±3.4

0.051

Obesity >25 kg m−2, n

37 (34%)

13 (30%)

0.635

36 (29%)

14 (50%)

0.035

Blood pressure, mm Hg

 Systole

133±21

148±26

0.0004

135±23

147±25

0.019

 Diastole

78±14

83±16

0.072

79±14

82±17

0.299

EDV, ml

125±32

157±75

0.021

125±36

173±79

0.0002

EDV index, ml m−2

76±19

92±37

0.010

76±19

100±40

0.0003

ESV, ml

50±24

71±53

0.070

50±25

82±60

0.024

ESV index, ml m−2

31±16

41±27

0.054

30±14

47±34

0.045

Ejection fraction, %

61±11

58±15

0.490

61±10

56±18

0.507

LV mass, g

150±47

193±75

0.0001

149±46

220±77

0.0001

LV mass index, g m−2

91±24

113±35

0.0001

91±23

127±36

0.0001

Anatomical LVH

16 (15%)

18 (42%)

0.0003

15 (12%)

19 (68%)

0.0001

Distance (cm) from heart to

 inner wall of chest

1.02±0.69

0.72±0.67

0.016

1.03±0.69

0.54±0.57

0.0007

 chest surface

3.16±0.82

2.90±0.93

0.083

3.10±0.87

3.04±0.82

0.724

  1. Abbreviations: EDV, end-diastolic volume; ESV, end-systolic volume; LV, left ventricular; LVH, left ventricular hypertrophy.
  2. Values are mean±s.d. or n (%).
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