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Table 4 The correlation between CSA, PA/A and post BD FEV1

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

 

ρ

p

CSA

0.614

0.037

PA/A

0.557

0.041

  1. CSA, cross-sectional area. PA/A, the ratio of pulmonary artery and aorta