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Table 1 Clinical and laboratory characteristics of the study sample

From: Beta-2 adrenergic receptor gene polymorphisms Gln27Glu, Arg16Gly in patients with heart failure

Variable

n

Mean

Standard deviation

Age (years)

501

58

14.4

Body weight (kg)

414

67.6

15.7

Height (m)

371

1.63

0.09

Body mass index (kg/m2)

362

25.6

5.6

Heart rate, bpm

431

79.6

13

Blood pressure (mm Hg)

   

   Diastolic

450

76

18.4

   Systolic

450

121.9

30.9

Echocardiography

   

Interventricular septum (cm)

435

0.97

0.23

Left ventricle

   

   Posterior wall (cm)

435

0.95

0.2

   Diastolic diameter (cm)

444

6.2

1.15

   Systolic diameter (cm)

338

4.97

1.42

   Ejection fraction (%)

397

45

19

Interventricular septum (cm)

435

0.97

0.23

Aorta (cm)

425

3.26

0.59

Left atrium (cm)

438

4.68

0.9

Right ventricle (cm)

192

2.73

0.87

Serum sodium (mEq/L)

481

136.7

4.5

Hemoglobin (g/dL)

479

13.07

2.1

Serum cholesterol (mg/dL)

400

190.1

51.6

Triglycerides (mg/dL)

398

123.1

66.7

HDL-cholesterol (mg/dL)

393

45.1

15.4

LDL-cholesterol (mg/dL)

394

120.1

42

VLDL-cholesterol (mg/dL)

389

24.8

13.6

Serum creatinine (mg/dL)

487

1.3

0.74