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Table 5 Longitudinal changes over a follow up period up to 6 years for all subjects

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

 

GOLD severity

CT subtype

 

1

2

3,4

p

Normal

SAD

Mild

Moderate

Severe

p

Ntotal/LSA

− 0.014 (− 0025, − 0.004)

− 0.007 (− 0.024, 0.009)

− 0.016 (− 0.038, 0.006)

0.61

− 0.032 (− 0.054, − 0.011)

− 0.023 (− 0.037, − 0.008)

− 0.005 (− 0.022, 0.013)

0.013 (− 0.021, 0.047)

− 0.003 (− 0.021, 0.015)

0.03

N<5 mm/LSA

− 0.019 (− 0.026, − 0.012)

− 0.014 (− 0.020, − 0.007)

− 0.006 (− 0.019, 0.008)

0.30

− 0.027 (− 0.041, − 0.013)

− 0.027 (− 0.034, − 0.019)

− 0.008 (− 0.014, − 0.001)

0.001 (− 0.015, 0.017)

− 0.005 (− 0.016, 0.005)

0.40

  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, SAD Small airway disease
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Respiratory Research

ISSN: 1465-993X

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