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Table 5 The predictive value of CSA and PA/A for the severity diagnosis of COPD

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

Variables

Cutoff value

AUC

95% CI

Sensitivity (%)

Specificity (%)

CSA

0.61

0.724

0.637–0.799

79.25

81.03

PA/A

0.87

0.782

0.725–0.814

80.20

85.20

  1. COPD, chronic obstructive pulmonary disease; CSA, cross-sectional area; PA/A, the ratio of pulmonary artery and aorta; AUC, area under curve