From: Right main pulmonary artery distensibility on dynamic ventilation CT and its association with respiratory function
Variable
With COPD
Without COPD
p-value
Number
18
19
–
Age
73.3 ± 5.9
68.0 ± 8.9
0.039*
Females/males
10/8
10/9
0.893
Body mass index
22.1 ± 3.3
24.4 ± 3.2
0.020*
Smoking index
784.3 ± 623.8
581.1 ± 602.5
0.284