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Table 3 The Spearman’s analysis on the potential related variables and COPD severity

From: The CT pulmonary vascular parameters and disease severity in COPD patients on acute exacerbation: a correlation analysis

Variables

ρ

p

Duration of COPD

0.663

0.048

Smoking

0.507

0.020

PaO2

0.612

0.045

PaCO2

0.528

0.039

CSA

0.611

0.016

PA/A

0.494

0.011

FEV1(L)

0.516

0.010

FVC (%)

0.623

0.012

FEV1/FVC (%)

0.587

0.009

  1. COPD, chronic obstructive pulmonary disease; CSA, cross-sectional area; PA/A, the ratio of pulmonary artery and aorta
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BMC Pulmonary Medicine

ISSN: 1471-2466

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