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