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Table 1 Patient characteristics

From: Neutrophil gelatinase associated lipocalin (NGAL) is elevated in type 2 diabetics with carotid artery stenosis and reduced under metformin treatment

  Diabetic patients (n = 67) Non-diabetic patients (n = 69) p
Age (years), median (quartiles) 72.0 (64.0–75.0) 69.0 (64.0–74.0) 0.288*
Sex (female) (%) 40.3 49.3 0.293**
Body mass index (kg/m2), median (quartiles) 28.1 (24.7–30.5) 27.1 (24.2–29.1) 0.234*
Smoker (%) 39.4 36.8 0.754**
Hypertension (%) 85.1 87.0 0.752**+
Hyperlipidemia (%) 77.6 43.5 <0.0001**
CAD (%) 39.4 22.1 0.030**
Cerebral infarction (%) 52.2 29.0 0.006**
Symptomatic (TIA/Stroke) (%) 44.8 33.3 0.171**
T-ASS (%) 71.6 85.5 0.048**
ACE-inhibitor (%) 38.5 35.8 0.754**
Statins (%) 68.7 89.9 0.002**
Creatinine (mg/dl), median (quartiles) 0.98 (0.86–1.19) 0.88 (0.80–1.03) 0.023++
Total cholesterol (mg/dl), median (quartiles) 159.0 (132.5–188.5) 170.5 (151.5–205.5) 0.037++
LDL (mg/dl), median (quartiles) 83.5 (62.0–105.2) 83.6 (70.2–117.8) 0.351++
HDL (mg/dl), median (quartiles) 45.0 (37.0–55.0) 52.0 (43.0–63.0) 0.010*
Triglyceride (mg/dl), median (quartiles) 125.0 (95.5–211.5) 137.0 (95.5–179.0) 0.771++
Leukocytes (G/l), median (quartiles) 8.39 (7.10–10.03) 7.16 (6.38–9.02) 0.030*
Neutrophils (G/l), median (quartiles) 5.8 (4.7–6.8) 4.6 (3.9–6.1) 0.002++
CRP (mg/dl), median (quartiles) 0.68 (0.27–2.06) 0.43 (0.17–1.01) 0.014++
Fibrinogen (mg/dl), median (quartiles) 422.0 (382.0–490.0) 390.5 (330.5–438.5) 0.003++
HbA1c (%), median (quartiles) 6.8 (6.0–7.4) 5.8 (5.5–6.0) <0.0001*
  1. Data are presented as frequencies or median (quartiles)
  2. * t test
  3. ** Chi square test
  4. ++ Wilcoxon rank sum test
  5. CAD coronary artery disease, TIA trans-ischaemic attack, T-ASS acetyl salicylic acid, ACE angiotensin-converting enzyme, LDL low-density lipoprotein, HDL high density lipoprotein, CRP C-reactive protein, HbA 1c glycated hemoglobin