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Table 2 Vessel quantification based on GOLD severity criteria

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

 

GOLD1 (n = 147)

GOLD2 (n = 118)

GOLD3,4 (n = 23)

p-value

Ntotal/LSA

1.16 ± 0.27

1.12 ± 0.29

0.87 ± 0.27

 < 0.001

N<5 mm/LSA

1.02 ± 0.22

0.99 ± 0.23

0.78 ± 0.22

 < 0.001

  1. GOLD Global Initiative for Chronic Obstructive Lung Disease, 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