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Table 3 Structural characteristics of pulmonary and bronchial arteries in asthma patients and controls

From: Structural alterations and markers of endothelial activation in pulmonary and bronchial arteries in fatal asthma

Structure

Bronchial artery

Pulmonary artery

Asthma

Control

p

Asthma

Control

p

Diameter (µm)

328.14 ± 168.77

436.66 ± 237.71

0.16

480.42 ± 373.37

285.11 ± 156.54

0.14

Wall areaa

21.17 ± 5.99

25.25 ± 13.99

0.42

23.01 ± 7.63

17.39 ± 5.25

0.055

Lumen areaa

26.55 ± 12.57

33.02 ± 16.90

0.25

43.42 ± 24.74

31.64 ± 10.39

0.076

Elastic fibresa

2.18 ± 2.53

2.14 ± 1.89

0.969

7.11 ± 7.41

4.98 ± 3.76

0.424

  1. Data are presented as the mean ± SD
  2. aWall, lumen areas and elastic fibre stained areas were normalized to the outer smooth muscle layer perimeter and are expressed as µm2/µm