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Table 3 Morphometric measurements on pulmonary arteries

From: Progenitor cell mobilisation and recruitment in pulmonary arteries in chronic obstructive pulmonary disease

Variables

Non-COPD

COPD

Mean wall thickness (μm)

44.1 ± 14.1

56.6 ± 15.8*

Measured external diameter (μm)

210.7 ± 61.0

252.3 ± 120.5

Calculated external diameter, um

538.4 ± 147.9

531.1 ± 117.2

Index of narrowing, %

73.5 ± 3.9

72.8 ± 8.1

Wall thickness, % measured diameter

34.0 ± 9.6

41.0 ± 16.5

Intimal area, % total area

22.8 ± 8.9

24.7 ± 7.2

Muscular area, % total area

32.8 ± 8.9

43.4 ± 5.9***

Lumen area, % total area

42.3 ± 12.8

31.8 ± 7.7**

  1. Definition of abbreviations: COPD chronic obstructive pulmonary disease; Non-COPD (n = 9), COPD (n = 23), * p < 0.05, ** p < 0.01, *** p < 0.001 compared with non-COPD, Mann Whitney test. Values are expressed as mean ± SD
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Respiratory Research

ISSN: 1465-993X

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