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Table 1 Baseline characteristics

From: Use of the energy waveform electrocardiogram to detect subclinical left ventricular dysfunction in patients with type 2 diabetes mellitus

 

LEAVE-DM (n = 178)

Vic-ELF (n = 97)

p

Age, years

72 [69–76]

70 [68–73]

 < 0.001

Female (%)

73 (41.0)

42 (43.3)

0.71

CCI, score

5 [4,5,6]

1 [1, 2]

 < 0.001

SBP, mmHg

145 [134–155]

141 [130–150]

0.04

DBP, mmHg

77 [70–85]

85 [78–90]

 < 0.001

HR, bpm

71 [64–83]

71 [65–79]

0.63

BMI, kg/m2

29.9 [27.3–34.5]

31.0 [27.4–33.9]

0.66

ARIC HF, score

13.8 [8.0–22.8]

9.7 [6.5–14.7]

 < 0.001

Obesity (%)

82 (46.6)

58 (59.8)

0.04

Hypertension (%)

126 (70.8)

80 (82.5)

0.03

Type 2 diabetes (%)

178 (100)

97 (100)

Peripheral vascular disease (%)

10 (5.7)

1 (1.0)

0.06

Family history of CAD (%)

95 (53.7)

25 (25.8)

 < 0.001

Family history of HF (%)

31 (17.6)

4 (4.1)

0.001

NT-proBNP (pg/mL)

93.0 [50.7–228.3]

43.0 [30.3–88.5]

 < 0.001

LVMI (g/m2)

82.0 [70.8–98.5]

70.4 [56.6–83.6]

 < 0.001

Ejection fraction (%)

59.0 [54.0–62.0]

60.1 [56.6–66.0]

0.004

GLS (−%)

17.4 [16.0–19.2]

18.0 [16.7–20.0]

0.005

E/e′

9.5 [7.9–11.5]

8.5 [7.4–10.7]

0.02

LAVI (mL/m2)

30.6 [27.1–40.3]

33.4 [28.3–40.4]

0.19

E/A

0.8 [0.7–0.9]

0.8 [0.7–0.9]

0.93

QOL, score

83 [71–93]

80 [70–90]

0.03

RR interval (ms)

873 [750–977]

893 [817–995]

0.064

PR interval (ms)

170 [156–186]

176 [161–188]

0.142

QRS duration (ms)

90 [84–102]

94 [86–104]

0.291

QT duration (ms)

394 [375–422]

400 [380–424]

0.157

QTc interval (ms)

426 [411–440]

425 [411–439]

0.707

  1. Continuous variables are given as median [IQR]
  2. CCI: Charlson Comorbidity Index; SBP: systolic blood pressure; DBP: diastolic blood pressure; HR: heart rate; BMI: body mass index; ARIC HF: Atherosclerosis Risk in Communities Heart Failure score; CAD: coronary artery disease; HF: heart failure; NT-proBNP: N-terminal prohormone of brain natriuretic peptide; LVMI: left ventricular mass index; GLS: global longitudinal strain; LAVI: left atrial volume index; QOL: quality of life