Skip to main content

Table 1 Demographic characteristics of subject groups

From: Vascular inflammation and aortic stiffness: potential mechanisms of increased vascular risk in chronic obstructive pulmonary disease

Variable

 

COPD n = 85

α1ATD n = 12

Smokers n = 12

Never smokers n = 12

Demographics

 Age (years)

68 ± 8

62 ± 8*

62 ± 6*

69 ± 7

 Gender (% male)

67

73

58

83

 BMI (kg/m2)

25.9 ± 3.9

25.0 ± 3.3

23.1 ± 2.3*

26.6 ± 2.6

 Current smoker n (%)

11 (13)***

2 (17)***

12 (100)***

0

 Pack years smoked

45 ± 25***

19 ± 11***

37 ± 19***

0

 Statin therapy n (%)

26 (31)*

0***

0***

2 (17)

Lung function

 FEV1 (L)

1.37 ± 0.6***

1.47 ± 0.4***

2.84 ± 0.6

2.88 ± 0.6

 FEV1% predicted

51 ± 20***

45 ± 16***

95 ± 17

100 ± 15

 GOLD stage II/III (%)

77

83

 Perc 15 score (HU)

− 890 ± 54***

− 942 ± 18***

−818 ± 23

−806 ± 36

Hemodynamic measurements

 SBP (mmHg)

137 ± 18

132 ± 11

134 ± 16

131 ± 8

 DBP (mmHg)

79 ± 7

84 ± 8

84 ± 7

79 ± 7

 Heart rate (bpm)

71 ± 18

76 ± 10

67 ± 16

66 ± 10

 Aortic pulse wave velocity (m/s)

9.9 ± 2.6*

9.5 ± 1.8*

7.8 ± 1.8

7.9 ± 1.7

Laboratory data

 Fibrinogen (g/L)

3.4 ± 0.7*

3.1 ± 0.6

2.8 ± 0.6

2.7 ± 0.5

 hsCRP (mg/L)

5.2 ± 7.0*

3.3 ± 2.3*

2.1 ± 1.4

1.2 ± 0.6

 White cell count (×109/L)

6.54 ± 1.83

7.01 ± 2.72

7.28 ± 2.02

5.84 ± 1.31

 Neutrophils (×109/L)

4.43 ± 3.6

4.68 ± 2.47

4.53 ± 1.45

3.63 ± 1.11

 LDL Cholesterol (mmol/L)

2.9 ± 1.0

3.54 ± 0.4

3.1 ± 1.1

3.1 ± 1.1

 Total/HDL Cholesterol (mmol/L)

3.5 ± 1.3

3.5 ± 1.3

3.5 ± 1.6

3.4 ± 1.2

 Triglycerides (mmol/L)

1.4 ± 0.8

1.5 ± 1.0

1.2 ± 0.7

1.2 ± 0.5

  1. Mean ± SD presented. Data are presented compared to never-smokers. Unpaired t-test or Chi-square test used to determine differences compared to never-smokers: ***p < 0.001, *p < 0.05 compared to never-smokers
  2. BMI Body mass index, FEV 1 Forced expiratory lung volume in 1 s, GOLD (Global Obstructive Lung Disease), HU Hounsfield Units, SBP systolic blood pressure, DBP diastolic blood pressure, LDL low-density lipoprotein, HDL high-density lipoprotein, hsCRP (high sensitivity C-reactive protein)