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Table 1 Demographic and clinical characteristics of diabetic subjects according to the presence (CAD+) or not (CAD-) of coronary artery disease

From: Serum selenium levels do not differ in type 2 diabetic subjects with and without coronary artery disease

 

CAD (-)

CAD (+)

P

Males/females (%)

52/48

52/48

-

Age (years)

66.68 ± 9.52

65.60 ± 8.16

0.38

Body mass index (kg/m2)

32.66 ± 5.20

33.20 ± 5.53

0.48

Waist (cm)

104.31 ± 12.51

106.62 ± 12.10

0.18

Systolic blood pressure (mm Hg)

148.65 ± 19.34

142.75 ± 18.24

0.02

Diastolic blood pressure (mm Hg)

80.74 ± 9.68

77.70 ± 9.27

0.02

Duration of diabetes (years)

11.83 ± 8.28

13.23 ± 8.27

-

Smoking (yes) (%)

22 (21.8)

35 (35.7)

0.03

Alcohol consumption (yes) (%)

39 (38.6)

35 (35.7)

0.67

Vitamins (yes) (%)

15 (15.0)

5 (5.1)

0.02

Hypertension (yes) (%)

87 (86.1)

92 (93.4)

0.07

Dyslipidemia (yes) (%)

90 (89.1)

92 (93.4)

0.22

Any retinopathy (yes) (%)

15 (14.9)

27 (27.6)

0.03

Neuropathy (yes) (%)

6 (5.9)

9 (9.2)

0.67

Microalbuminuria (yes) (%)

49 (52.7)

58 (61.1)

0.24

Peripheral artery disease (yes) (%)

7 (5.9)

14 (14.3)

0.09

Treatment for diabetes

-

-

-

   Antidiabetic tablets (yes) (%)

81 (80.2)

66 (67.3)

0.04

   Insulin (yes) (%)

45 (44.6)

50 (51.5)

0.32

HbA1c (%)

7.58 ± 1.72

7.74 ± 1.74

0.51

Statins (yes) (%)

89 (67.4)

95 (88.8)

0.15

Glucose (mg/dl)

159.83 ± 53.63

160.74 ± 58.53

0.90

Total cholesterol (mg/dl)

181.56 ± 40.80

168.48 ± 43.85

0.03

HDL cholesterol (mg/dl)

46.52 ± 10.99

43.40 ± 10.38

0.04

LDL cholesterol (mg/dl)

106.13 ± 37.92

94.26 ± 37.25

0.03

Triglycerides (mg/dl)

153.14 ± 82.00

158.08 ± 87.97

0.68

Urea (mg/dl)

44.91 ± 23.34

45.77 ± 21.00

0.78

Creatinine (mg/dl)

1.00 ± 0.55

0.99 ± 0.24

0.88

Uric acid (mg/dl)

5.54 ± 1.61

5.65 ± 1.68

0.64

CRP (mg/dl)

4.32 ± 1.16

3.7 ± 1.8

0.52

Ht (%)

40.16 ± 3.66

40.41 ± 3.55

0.11

WBCs (n)

7,561.68 ± 2,038.28

8,040.91 ± 2,196.38

0.11

PLTs (n)

250,980.20 ± 72,600.54

242,969.07 ± 17,043.47

0.66

Serum Selenium (microg/L)

108.86 ± 33.88

102.40 ± 31.10

0.16

Dietary Selenium (microg/L)

1.04 ± 0.47

1.15 ± 0.65

0.19

  1. P values for the comparison between groups with and without metabolic syndrome (MS) by independent samples t-test for continuous variables or by Pearson χ2 for nominal variables.
  2. HbA1c: glycated hemoglobin A1c; HDL: high density lipoprotein; LDL: low density lipoprotein; CRP: high sensitivity C-reactive protein; Ht: Hematocrit; WBCs: white blood cells count; PLTs: platelets.