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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