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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.