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Table 3 Vessel quantification based on CT subtypes

From: Quantitative assessment the longitudinal changes of pulmonary vascular counts in chronic obstructive pulmonary disease

 

Normal (n = 54)

SAD (n = 88)

Mild (n = 69)

Moderate (n = 34)

Severe (n = 43)

p-value

Ntotal/LSA

1.39 ± 0.21

1.28 ± 0.17

1.05 ± 0.19

0.90 ± 0.18

0.74 ± 0.17

 < 0.001

N<5 mm/LSA

1.18 ± 0.19

1.12 ± 0.14

0.95 ± 0.16

0.82 ± 0.15

0.67 ± 0.15

 < 0.001

  1. Ntotal Total number of vessels, N<5 mm Total number of vessels with vessel area less than 5 mm2, LSA Lung surface area at 6 mm from the pleural surface, SAD Small airway disease
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Respiratory Research

ISSN: 1465-993X

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